As it happened: Manhunt for Boston bomb suspect

Key Points

  • Boston police have detained Dzhokhar Tsarnaev, the surviving suspect in the Marathon bombing, after an operation in the suburb of Watertown.
  • His brother Tamerlan Tsarnaev, 26, also a suspect, was killed in a shootout with police near Watertown on Thursday night.
  • The search began after the fatal shooting of a police officer at the Massachusetts Institute of Technology (MIT) in Cambridge.
  • The governor of Massachusetts has relaxed his order for people to stay indoors in the Boston area and has announced the reopening of the subway system. He urged continued vigilance.
  • All times BST.

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  1.  
    0907:

    Welcome to our coverage of the major police operation under way on the outskirts of Boston in the US.

     
  2.  
    0910:

    A situation has been developing rapidly in the middle of the night near Boston, with a massive police presence growing over the last few hours in Watertown. It comes after an incident at the Massachusetts Institute of Technology (MIT) in nearby Cambridge, where a police officer was shot several times and killed.

     
  3.  
    0912:

    Cambridge police said the officer was responding to a report of a disturbance in the area of the MIT campus at around 22:30 (02:30 GMT) when he was shot and suffered "multiple wounds". He was taken to hospital where he was pronounced dead.

     
  4.  
    0913:

    Later, after witnesses reported hearing explosions and gunfire in Watertown, local TV footage showed a man on the ground surrounded by police - before being led away, apparently naked.

     
  5.  
    0917:

    State police are warning residents in the area to stay inside and be careful - using Twitter to advise that people should "not answer door, stay away from windows, keep doors locked".

     
  6.  
    0920:

    Police are now holding a news conference detailing what happened overnight: "We understand one suspect was able to flee from the police. One police officer was struck and is now at hospital," the police said.

     
  7.  
    Breaking News

    Police in Massachusetts hunting man they say is second Boston bombing suspect.

     
  8.  
    0923:

    Police reiterate that the suspect is armed and dangerous: "We believe this to be a terrorist, a man who has come here to kill people."

     
  9.  
    0928:

    Police said they are actively searching for the white-capped individual suspected of involvement in the bombing of the Boston Marathon. They said footage from a local 7-Eleven in Cambridge last night showed him dressed in a grey sweatshirt. He has brown curly hair.

     
  10.  
    0930:

    Police say there was an shootout between Watertown Police and two suspects in an SUV, and several explosive devices were thrown from the car at officers.

     
  11.  
    0931:

    More from Massachusetts state police: One suspect was critically injured during the pursuit and taken to hospital, where he was pronounced dead.

     
  12.  
    0931:

    Full statement from Massachusetts police on the dramatic night-time events.

     
  13.  
    Edward Davis Boston Police Commissioner

    tweets: One suspect dead. One at large. Armed and dangerous. White hat suspect at large.

     
  14.  
    0940:
    picture of Boston suspects

    The FBI released photos of two suspects from Monday's Boston Marathon bombings - one was the "man with the white cap", who police say is still at large after being involved in the latest shootout.

     
  15.  
    0943:

    Police say this is an ongoing investigation and reiterate that it is a very dangerous situation and a threat to people's lives.

     
  16.  
    Mark Mardell North America editor
    Watertown, Mass

    Tweets from Watertown: Just spoken to one guy who says he saw suspect on the ground surrounded by about 8 police. http://t.co/p247uoyxYH

     
  17.  
    Stephen Kowalik

    tweets: Boston is going crazy right now. After attempted bombing at MIT police have been chasing bombers since 1. Live police radio is scary.

     
  18.  
    0957:
    White cap suspect

    Here is the latest picture released by Boston police of the second suspect - the focus of the current manhunt.

     
  19.  
    1004:

    Police are now searching house-to-house for the second suspect. Massachusetts State Police say via Twitter: "Police will be going door by door, street by street, in and around Watertown. Police will be clearly identified. It is a fluid situation."

     
  20.  
    1005:

    Police are now warning people in the area to be aware of potentially explosive packages by the road, CNN reports.

     
  21.  
    1006:
    Police bomb robot, Watertown

    As police warn of potentially dangerous packages, Twitter user @jraske is posting images of a police bomb disposal robot closing on a car in Watertown.

     
  22.  
    1011:

    It is probably worth noting that the area police are now searching is centred around Laurel Street and Dexter Avenue, in Watertown.

     
  23.  
    1020:

    One Watertown resident, Kristian Tunzig, tells BBC News he heard successive gunshots close to his house earlier and then saw a black Mercedes sedan crash in front of the house. There was a 10 to 15 minute gunbattle and several explosion - before a huge explosion. He says he hid in a closet and came out later to discover a bullet lodged in his bed.

     
  24.  
    1022:

    Officials at Beth Israel Hospital in Boston are now giving a news conference, detailing their role in the night's events.

     
  25.  
    1027:

    Medics: Hospital was notified at 01:10 local time that a patient was coming in with multiple injuries. He arrived at 01:20 - at that point he was in a "traumatic arrest" undergoing CPR. At 1:35 he was pronounced dead.

     
  26.  
    1028:

    Doctors say they cannot comment on whether the patient was one of the suspects. They say they "do not have any information about the deceased person".

     
  27.  
    1029:

    "All we know is he arrived in [cardiac] arrest here - we don't know what happened at the scene," Dr Richard Wolfe tells the conference.

     
  28.  
    1036:

    The information from the hospital strongly indicates that the man who died at Beth Israel overnight was the Boston bomb suspect who police say has now been killed.

     
  29.  
    1038:

    One Watertown witness described events in the town overnight: "It sounded like fireworks," Imran Saif told the Boston Globe on YouTube.

     
  30.  
    Massachusetts Institue of Technology

    tweets: MIT's classes cancelled today in wake of tragedy http://mitne.ws/17KGbRa

     
  31.  
    1043:

    More news of suspensions and cancellations: The MBTA, which runs transport services in and around Greater Boston, has suspended all services at the request of police.

     
  32.  
    1046:

    Confirmation of transport suspension from MBTA.com: "Attention Customers: per order of the MBTA Transit police all service is suspended until further notice. 4/19/2013 5:39 AM"

     
  33.  
    1048:

    We are hearing from Boston police as they hold another press conference: detailing transport and security measures as day breaks in Watertown and Boston.

     
  34.  
    1049:

    Undersecretary for Homeland Security Kurt Schwartz asks people in Watertown and surrounding suburbs not go to work today.

     
  35.  
    1053:

    Watertown now is basically a community on lock-down - businesses remain closed and all public transport is shut. Authorities are also warning other communities in the area to stay inside.

     
  36.  
    1055:

    Closing the briefing, Col Timothy Alben, Superintendent of the Massachusetts State Police, said: "We believe these are the same individuals that were responsible for the bombing on Monday of the Boston marathon. We believe they are responsible for the death of an MIT police officer and the shooting of an MBTA officer. This is a very serious situation that we're dealing with and we would appreciate your co-operation."

     
  37.  
    Greg McKenna, Cambridge, MA

    emails: This all happened less than a quarter of a mile from me. It sounded like warfare with explosions and bullets. My heart was racing.

     
  38.  
    1103:

    More closures: now Harvard University, near MIT in Cambridge, is also closed. Harvard.edu/emergency

     
  39.  
    1105:
    Kurt Schwartz

    Homeland Security official Kurt Schwartz urged the people of the Watertown, Newton, Waltham, Belton Cambridge and Alston-Brighton neighbourhoods of Boston to stay home, and told businesses not to open today until they are given further guidance.

     
  40.  
    1109:

    Watertown Police Chief Edward Deveau said there should be no vehicle traffic into or out of Watertown. "We need your help now," he said, addressing residents.

     
  41.  

    MIT teacher and journalist Seth Mnookin has been tweeting from Watertown throughout the night. He reports that a naked man arrested earlier was eventually released. "Apparently wrong place/time scenario."

     
  42.  
    Seth Mnookin

    adds more from Watertown: I lived a mile from WTC on 9/11. Lived below 14th St. - needed ID to get to apartment. Checkpoints everywhere. Watertown right now is similar. Cops/blue lights everywhere. Automatic weapons & bomb dogs on sidewalks. Entire city brought to halt.

     
  43.  
    1118:

    It may be time to take a step back and recap what happened on Monday. Three people died and more than 170 were hurt by two bombs near the finish line of the Boston Marathon. At least 14 bombing victims, including three children, remain in hospital in a critical condition.

     
  44.  
    1121:

    It is reported that 10 Boston victims have had limbs amputated. Bombs made from pressure cookers were said to have been packed with nails and ball bearings.

     
  45.  
    Mark Mardell North America editor

    tweets from Watertown: Suddenly lots of activity - police van speeds out sirens wailing - other cars heading in

     
  46.  
    Boston Police Department

    tweets: #CommunityAlert: Search for armed suspect continues in Watertown. Residents reminded to remain indoors. All vehicle traffic suspended.

     
  47.  

    Eyewitness Andrew Kitzenberg - who earlier tweeted images of bullet damage in his home - has posted a picture of what he says are Swat teams heading into a nearby house.

     
  48.  
    1130:

    Right now we are seeing pictures of a lot of police activity. Radio Boston reporter Curt Nickisch tells BBC News police vehicles are heading out to one part of Boston after a taxi carrying three men was reportedly stopped outside the 20-block search area.

     
  49.  
    1140:

    Footage from Watertown shows Swat teams surrounding houses - but it appears to be part of the general house-to-house search of the area.

     
  50.  
    1141:

    On the BBC World Service, we are live with the latest on the hunt for the Boston marathon bomb suspects. Tune into World Have Your Say here.

     
  51.  
    makeitnatty

    tweets: I woke to police sirens. Know what else? Friends & family checking if I was safe. I have faith in my city. We are resilient.

     
  52.  
    1146:
    swat

    Pictures of heavily armed Swat teams continue to come in as police carry out a methodical search of homes in Watertown.

     
  53.  
    1148:

    News agency Associated Press is reporting that the Boston bomb suspects are from a Russian region near Chechnya, and have lived in the US for at least one year. That information is as yet unconfirmed.

     
  54.  
    1154:

    US network NBC News is now reporting that the two suspects are brothers - and has released their names, which have not yet been confirmed by police.

     
  55.  
    Stephen R. Aldous

    tweets: @Boston_Police Stay safe officers, we appreciate all your hard work.

     
  56.  
    1204:

    There is now a lot of speculation over the identity of the Boston marathon bomb suspects - the second of whom police are hunting in and around Watertown. We will let you know as soon as we get any confirmation of their identities.

     
  57.  
    Ryan Evans

    tweets: A reminder: terrorism is about small numbers of people seeking to cause a large amount of havoc. We're seeing that right now.

     
  58.  
    Jeffrey Goldberg, The Atlantic,

    tweets: If these two are actually foreign-trained terrorists, then this is the event we've been fearing; small-scale attacks on the softest targets.

     
  59.  
    1211:

    The Boston Police Department is preparing to carry out a controlled explosion.

     
  60.  
    Student Taylor Dobbs

    tweets: Roommate emerges from slumber, staring at phone: "Dude, did you hear what happened?"

     
  61.  
    1215:

    Just to recap what is happening. US police have been hunting a suspect wanted for Monday's deadly Boston Marathon bombing, after another suspect was killed in a car chase and shootout overnight.

     
  62.  
    1215:

    Police began the manhunt on Thursday night after an officer was shot dead at the Massachusetts Institute of Technology (MIT) in Cambridge.

     
  63.  
    1217:

    Two suspects who had stolen a four-wheel drive vehicle threw bombs and traded gunfire with police chasing them, and another officer was wounded in the exchange.

     
  64.  
    1218:

    Issuing strong warnings to the public to take precautions and stay off the streets, Boston police confirmed one suspect was captured and died in hospital.

     
  65.  
    1218:

    An area of 20 blocks has been cordoned off around Watertown, while tactical teams search every house. Other suburbs and public transport has been locked down as police continue the manhunt.

     
  66.  
    1231:
    Swat teams in Watertown

    Another image from Watertown: police are advising residents to take shelter amid ongoing investigations in Watertown and the surrounding areas.

     
  67.  
    1238:

    One Boston family told the BBC how they received a "reverse-911" call telling them not to leave their homes. The call went on to say that if any stranger comes to their door, to be on guard and call 911 if appropriate. The family's first reaction was of "terror" and they promptly got dressed, ensured all of their doors were locked, and closed blinds and shades. "It's like a ghost town outside," they said.

     
  68.  
    Anne Griffiths

    emailed: Just spoken to my daughter who lives in Watertown. Police doing door-to-door, nobody allowed out, tubes shut down and roads closed. She says it was three blocks away, I think she means the carjacking. Really scary.

     
  69.  
    Johnathan Law

    emails: I just drove down the Massachusetts Pike to Boston and saw a plethora of school buses, filled with Swat teams, heading in the other direction to Watertown.

     
  70.  
    ABC News

    tweets: #Breaking: Major police activity reported near home of suspect #2 in Cambridge, Mass., police advice to stay clear

     
  71.  
    1249:

    We are waiting to hear from Deval Patrick, Governor of Massachusetts - it's possible that he could confirm the identities of the two Boston bombing suspects.

     
  72.  
    1254:

    Reuters news agency now joins several other US media outlets in reporting that the two Boston suspects are Dzhokhar Tsarnaev and his brother Tamerlan Tsarnaev. Reuters cites a national security official. We still await official confirmation.

     
  73.  
    1255: Breaking News

    Surviving Boston bombing suspect named by US officials as Dzokhar Tsarnaev.

     
  74.  
    1256:

    Police are still hunting Dzhokhar Tsarnaev, aged 19, from the Cambridge area of Boston.

     
  75.  
    1300:

    Deval Patrick, Governor of Massachusetts: suspect one is dead and suspect two is on the run.

     
  76.  
    1300:

    Gov Patrick says there is a "massive manhunt underway".

     
  77.  
    1302:

    Boston Police Commissioner Ed Davis says they are "examining all databases, examining all possible leads".

     
  78.  
    1303:

    Police colonel says the situation in Boston "may take hours" to resolve, but they are getting closer.

     
  79.  
    1304:

    And with that, the press conference is over - with no public confirmation of the identity of the bombers.

     
  80.  
    1314:

    Information is beginning to emerge about Dzhokhar Tsarnaev, the remaining suspect in the Boston marathon bombings. He and his brother are said to be from an area of Russia close to war-torn Chechnya - but have lived in the US for at least a year.

     
  81.  
    1317:

    The two brothers are thought to be ethnic Chechens, but are not said to have lived in the area in recent years.

     
  82.  
    1325:

    The suspect at large, Dzhokhar Tsarnaev, is 19, was born in Kyrgyzstan and has a Massachusetts driver's license, officials told NBC News. The dead suspect was identified as Tamerlan Tsarnaev, 26, born in Russia, NBC added.

     
  83.  
    1329:

    Chechnya itself is a region of Russia with a long history of conflict and dispute with Moscow. It was the scene of a brutal separatist war with Russia in the 1990s and has been hit by insurgency in the years since. You can find out more in our full profile.

     
  84.  
    1330:
    Dzhokhar A Tsarnaev

    Boston Regional Intelligence Centre has released this poster of Dzhokhar Tsarnaev, the surviving Boston Marathon bombing suspect.

     
  85.  
    Boston Police
    Dzhokar Tsarnaev

    tweet: #WANTED: Suspect identified as 19 year-old Dzhokhar Tsarnaev of Cambridge. Suspect considered armed & dangerous. pic.twitter.com/jFdHLGsrGc

     
  86.  
    Daniel Sandford BBC News, Moscow

    tweets that it looks likely the two suspects left the Russian Federation a long time ago - possibly as long ago as 2001. He also plays down the links to Chechnya: "Ahem! If you are a Chechen from Kyrgyzstan, lived briefly in Dagestan, then lived in America for 10 yrs+. The connection to Chechnya is slim".

     
  87.  
    1338:

    The Associated Press and other US media are reporting that the uncle of the bombing suspect has confirmed Dzhokhar Tsarnaev and the dead suspect were indeed brothers.

     
  88.  
    1346:

    Latest images from Watertown are currently showing police surrounding a house, at the corner of Willow and Quimby. The situation appears tense and video broadcasts from the scene are being put on a delay in an effort to avoid broadcasting anything "unduly violent", CNN says.

     
  89.  
    Jessy Rae

    tweets: For the simple fact that I've been surrounded by guns since 2AM is pretty surreal to me.

     
  90.  
    1349:

    Bloomberg News reporter Asjylyn Loder has told BBC World Service radio that she spoke to Chris Bauman, the bother of Jeff Bauman - who identified one of the suspects after having both his legs amputated below the knee after Monday's bomb attack.

     
  91.  
    1350:

    "Chris said that when Jeff woke up from anaesthesia after surgery he asked for a pen and paper and wrote down that he had seen the guy and that they showed the note to the FBI and that he was able to give a description of the man. He was waiting for his girlfriend and he saw this man set this bag down and he looked him right in the eyes and two and a half minutes later the bag exploded." Read the full interview at Bloomberg.com.

     
  92.  
    Jenny Moebius

    tweets: so eerie how empty the streets are during rush hour...

     
  93.  
    1355:

    Details continue to come in about Dzhokhar Tsarnaev - who is still on the loose. He received a City Scholarship from the City of Cambridge, Massachusetts, in May 2011 - according to a Cambridge local government announcement.

     
  94.  
    1358:

    The BBC Moscow bureau reports that Dzhokhar Tzarnaev moved to the US in 2001 or 2002 from Makhachkala - the capital of Dagestan, a southern Caucasus Republic near to Chechnya. His school there says he was only a student for a couple of years, and had arrived from Kyrgyzstan.

     
  95.  
    1359:

    BBC Moscow says it does not have any concrete information about Tamerlan Tsarnaev - reported to be the dead suspect. However, interviews he gave in the US in the past suggest that the family left Chechnya in the early 1990s.

     
  96.  
    1409:

    Back in Watertown, police are pushing back from at least one location near the house surrounded by armed troopers.

     
  97.  
    1414:

    In Russia, a man described by the Associated Press as the father of the Boston bombing suspects says his son Dzhokar is an accomplished medical student and "a true angel". Anzor Tsarnaev spoke from Makhachkala, Russia, AP reports.

     
  98.  
    1417:

    And an interview with the suspects' uncle has run on CNN. He says he had not spoken to the young men for two years, but the older nephew - Tamerlan Tsarnaev - called yesterday.

     
  99.  
    1419:

    As the manhunt continues, the FBI has released a new photo of Dzhokhar Tsarnaev.

    Photo of boston bombing suspect
     
  100.  

    New York Times reporter Jodi Kantor tweets: High school classmates & acquaintances of Johar Tsarnaev sound shocked. He was a sweetie, a delight, a wrestling star who won awards.

     
  101.  

    Boston Globe reporter David Abel tweets: "Just spoke to two Transit police officers who told me that their colleague who was shot is "going to live" and is "a good, brave dude".

     
  102.  
    1429:

    More from the interview with suspects' uncle: Both had been in the US 10 years and had grown up in Kyrgyzstan.

     
  103.  
    1430:

    Chechen internet users have expressed strong reaction to the news from Boston, BBC Monitoring reports. Some say that the US authorities are seeking to blame Chechens for the blasts, while others are expressing concern over possible adverse impacts on Chechens in Europe.

     
  104.  

    Local reporter Janet Wu tweets: "Small detonation at Cambridge address after stretchers, ambulances & 3 fire trucks arrive. Crews calm but suited up"

     
  105.  
    1440:

    Local radio reporter Alex Ashlock, on Arsenal Street, east Watertown, tells BBC News there is still a "massive" police presence in the sealed-off 20-block area.

     
  106.  
    1443:

    Tim Bayley, who is originally from Brighton, UK, and who lives in Watertown tells the BBC "he woke up to gunfire".

    "There must have been about 150 gunshots - at 0200 local time and then I heard multiple explosions, from what must have been grenades.

    "That was followed by police cars flying down my street - there must have been about 20 cars in succession. I couldn't believe how many police there were."

     
  107.  
    1445:

    Mr Bayley also tells the BBC he has been told to stay in his house as the police search door to door.

    "It's just been an horrific few hours. I'm heavily involved in running too, so the whole last week has been horrific."

     
  108.  
    1445:

    Police in the neighbouring state of Connecticut have put out a alert for a vehicle that could "possibly be occupied by a wanted suspect".

     
  109.  
    Travis Wesley

    tweets: All MBTA Trains are shutdown at this time. All subway lines and commuter rail are suspended. #Boston #MIT #Watertown

     
  110.  
    1448:

    Watertown Council President Mark Siderais tells BBC News residents should remain inside and stay safe. He describes Watertown as a four-sq-mile town with approximately 33,000 residents.

     
  111.  
    1448: Michael W.

    emails: Living just about 1/2 a mile from the main search area and under instructions to not leave the house. It's very eerie outside. Not a car in the road except for a cavalcade of police going by once in a while.

     
  112.  
    1449: David Knies

    tweets: Camb bomb squad truck w/ state police convoy going S on 93 near S Bay Ctr. @stoolpresidente

     
  113.  
    1451:

    BBC Monitoring report a post to a jihadist forum argues against speculating on the identities of the suspects, but notes the bombing reveals the "prominent weak point" of Western countries.

    "The purpose is what results from this operation and its repetition, such as instilling terror, costing America more financial burden, and economic repercussions which will weaken and eventually kill it."

     
  114.  
    1452:

    Robin Young, host of PRI public radio programme Here and Now, tweets: "Heart is broken. just confirmed, I know dzhokhar tsarnave, one of best friends of my beloved nephew,who says he never in his life saw this."

     
  115.  
    1453:

    Local media identify the MIT police officer killed last night as Sean Collier, 26.

     
  116.  
    1455:

    A profile of Dzhokhar Tsarnaev on Russian social network VKontakte suggests he has been a student at the Cambridge Rindge and Latin School in Cambridge, Massachusetts, and had previously attended school in Makhachkala, in the Russian Republic of Dagestan, between 1999-2001. It suggests he is a Muslim believer and reads: "The main thing in life - status and gold". The latest update on the page is from 19 March 2012.

     
  117.  
    1456:

    Zubeidat Tsarnaeva, who lived at the same address as the suspect on Norfolk Street, Cambridge, Massachusetts and is likely to be the boys' mother, was arrested for shoplifting last year, BBC Moscow reports.

     
  118.  
    1505: BBC's Simon Wilson

    tweets: Heading for #Boston. Security at Washington Reagan airport significantly stepped up this morning.

     
  119.  
    1510: BBC's Debbie Randle
    Empty Boston streets

    tweets: "Eerie streets here in Waterfront Boston Manhunt still underway"

     
  120.  
    1514: Andrew Harteveldt

    emails: The quietest this city has been on a Friday morning. We are all locked down inside our house.

     
  121.  
    1526:

    The New York Times has created a map of the events of the past 12 hours.

     
  122.  
    1527: Lauren S

    tweets: This is so scary right now. I can't believe the place where I live is in so much danger.

     
  123.  
    1528:

    An area university, University of Massachusetts-Dartmouth, closes after reporting one of the suspects was a registered student there.

     
  124.  
    1531:

    Information is emerging about the lives of brothers Dzhokhar and Tamerlan Tsarnaev, who are suspected of carrying out the bombing at the Boston Marathon. Tamerlan Tsarnaev, 26, died in a shootout with police on Thursday night. His 19-year-old brother, Dzhokhar, is still on the run in Boston. Read our latest profile of them here.

     
  125.  
    1532: Terry, Boston

    emails: Cops are everywhere. I've never seen anything like this in my life

     
  126.  
    1533:

    Update: The University of Massachusetts-Dartmouth evacuated its campus.

     
  127.  
    1534:

    Connecticut state police, meanwhile, have updated their alert to say the vehicle they were looking for has been recovered in Boston.

     
  128.  
    1535:

    Independent Moscow radio station Ekho Moskvy has a statement from Alvi Karimov, press secretary for the leader of the Chechen Republic.

    He told Interfax "the suspects in the Boston crimes have no relation to Chechnya". He says "according to preliminary information" the family moved "many years ago from Chechnya to another region of Russia".

    "Then for a long time they lived in Kazakhstan, and from there moved to the US, where family members obtained residency," Mr Karimov said. "So the persons concerned did not live in Chechnya as adults, and if they became 'bad apples' then it's a question of who was educating them."

     
  129.  
    1536: Boston Police Department

    tweets: #MediaAlert: WARNING: Do Not Compromise Officer Safety by Broadcasting Tactical Positions of Homes Being Searched.

     
  130.  
    1540: Boston's Logan Airport

    tweets "flights are arriving and departing. Taxis are available, but in very high demand".

     
  131.  
    1551:

    BBC has produced a map and timeline of the events of the past 12 hours.

    Map promot
     
  132.  
    1552:

    The television feed from the scene in Watertown, Massachusetts shows heavily armed police with rifles drawn.

     
  133.  
    1609:

    Watertown residents have sent the BBC photos of the scene outside of their windows.

     
  134.  
    1609:

    BBC Monitoring reports that a man named Anzor, who said he was Tamerlan and Dzhokhar Tsarnaev's father, told Russia's Interfax news agency his children were framed.

    "The special services framed my children because they are believing Muslims," he was quoted as saying. "Why did they kill Tamerlan? They should have taken him alive. The younger one is now on the run; he was studying in his second year at a medical institute in the US. We were expecting him home in the holidays. Now I don't know what will happen."

     
  135.  
    1611: Mike Cerra, Boston

    tweets: Cars are being searched if they are driving in the area. No traffic in or out #Watertown at this time.

     
  136.  
    1612:
    Scene in Boston

    Pictures are coming to us live from Boston, as police move across the city in search of 19-year-old Dzhokhar Tsarnaev.

     
  137.  
    1613: Adam Gabbatt, The Guardian

    tweets: Officer to reporters: "Guys if you knew what was happening you wouldn't be standing there right now."

     
  138.  
    1614: Rob Ledniczky

    tweets: British student currently locked in at Harvard, pretty surreal experience, Cambridge is completely dead

     
  139.  
    1615:

    The University of Massachusetts-Dartmouth has not said what Dzhokhar Tsarnaev was studying nor whether he had lived on campus.

    Student Brie McCarron told the Associated Press that police have descended on campus and that students who know Tsarnaev say he lives in a dormitory.

     
  140.  
    1616:
    Police

    Police are carrying out a major operation in and around Watertown, six miles (9km) from Boston, after police officer Sean Collier was shot dead late on Thursday at the Massachusetts Institute of Technology (MIT) campus in nearby Cambridge. Look at the BBC's picture of gallery of the events that followed.

     
  141.  
    1628:

    The young men's father Anzor Tsarnaev has told the BBC his younger son Dzhokhar hoped to become a brain surgeon, and that he believed the secret services had framed his sons.

     
  142.  
    1630:

    The suspects' uncle Ruslan Tsarni is speaking in Maryland. "We're Muslims, we're ethnic Chechens... somebody radicalised them." He says he has not seen the two in several years.

     
  143.  
    1631:

    More and more details are coming in about the two brothers suspected of the Boston bombing. The BBC's Daniel Sandford reports they are ethnic Chechens from the troubled Southern Caucasus region of Russia. Dzhokhar and Tamerlan Tsarnaev moved to the US in 2001, though their father has now returned to Dagestan, a republic bordering Chechnya. He said today that he believed his sons have been framed.

     
  144.  
    1633:

    In Maryland, their uncle Ruslan Tsarni says: "They have brought shame" to the family. He calls on his nephew to turn himself in and to ask for forgiveness.

     
  145.  
    1634: Sudhir Sivakumaran, Boston

    Emails: Never seen Massachusetts Avenue so deserted since I came here. Never seen so many police activity in my life for sure. Stuck at home, waiting for the all clear sign to go out.

     
  146.  
    1634:

    Uncle Ruslan Tsarni says the two brothers immigrated to the US and received asylum. He says his family has had "nothing to do with them" for a long time.

     
  147.  
    1635:

    We are waiting for an update from the governor and the mayor, who are receiving a briefing from police.

     
  148.  
    1638:

    Mr Tsarni tells reporters he loves America and says he wants to meet the victims of the bombings.

     
  149.  
    1649:

    Passenger rail service Amtrak says it has suspended all trains between Boston and Providence, Rhode Island, "at the request of local authorities, and due to ongoing police activity".

     
  150.  
    1650:

    The Associated Press reports that Tamerlan Tsarnaev had studied accounting part-time student at Bunker Hill Community College in Boston for three semesters from 2006 to 2008, according to the school.

     
  151.  
    1651: Barb Darrow, Watertown

    Tells the BBC: "We got a "robocall", which is a reverse 911 call, from the Watertown police at 02:30 and have been locked inside since. It is like a ghost town here. It is a strange and worrying day for everyone here. I have been creeping around in my own house peering out the window. It is mind-boggling what has happened here today."

     
  152.  
    1652:
    Dzhokhar Tsarnaev

    Here is a picture of Dzhokhar Tsarnaev from his account on Vkontakte, a Russian Facebook-style social media service. The BBC's Daniel Sandford says the young man's account clearly shows he had some interest in Islamist-type ideologies and in the family's homeland of Chechnya, although he stresses this should not be over-emphasised.

     
  153.  
    1654:

    Russian President Vladimir Putin sends a message of condolence to US President Barack Obama.

    Mr Putin said he "strongly condemned this barbaric crime" and said the Russian Federation would be ready, if necessary, to assist in the investigation.

     
  154.  
    1656:

    As we've been hearing, US President Barack Obama has been briefed at the White House about the situation. And Secretary of State John Kerry, a former senator from Massachusetts, has said: "It's fair to say that for this entire week we've been in a pretty direct confrontation with evil."

     
  155.  
    1704:

    Don't miss the PM Programme on BBC Radio 4, live on air and reporting on all the latest from Boston.

     
  156.  
    1709:

    Photographer Johannes Hirn spent time in a boxing gym with Tamerlan Tsarnaev and produced a photo essay entitled Will Box For Passport. The photographs have since been removed from the website.

    Tamerlan Tsarnaev
     
  157.  
    1715:

    Tamerlan Tsarnaev told Hirn he would represent New England in an amateur boxing competition in Utah, fighting as a heavyweight, and hoped one day to box on the US Olympic team.

     
  158.  
    1719:

    Tsarnaev described himself as a "very religious" Muslim and said he no longer drank alcohol or smoked. He said he did not have a single American friend, because he did not understand them.

     
  159.  
    1719: Mark Mardell North America editor

    tweets: Helicopters circle over Watertown - one can just landed inside the cordon

    Mark picture from Watertown
     
  160.  
    1721:

    We are expecting a press conference on the situation in Watertown within the next five to 10 minutes.

     
  161.  
    1727:

    If you are just joining our live coverage of the manhunt for the Boston Marathon bombing suspects: One suspect is dead and another is at large after an MIT police officer was shot overnight. Police activity has focused on a block in Watertown, Massachusetts, with most of the metropolitan Boston area being told to stay inside.

     
  162.  
    1728:

    Local resident Kristian Tuinzing says a bullet came through his wall, piercing his calendar and chair, during a firefight. He tells the BBC what happened in this video.

     
  163.  
    1733:

    The press conference begins. Governor Deval Patrick speaks first.

     
  164.  
    1734:

    Gov Patrick thanks members of the public for staying indoors. "It's been enormously important and helpful," he says, urging residents to remain inside.

     
  165.  
    1735:

    Gov Patrick says there are "continuing developments" that authorities cannot discuss now.

     
  166.  
    1735:

    Boston Mayor Tom Menino says his city is strong "and will get through this".

     
  167.  
    1736:

    A Massachusetts state police official says the search is "progressing" through the neighbourhood but says no suspect has been apprehended.

     
  168.  
    1739:

    The police official says investigators are developing new leads and that authorities will carry out a "controlled explosion" soon.

     
  169.  
    1743:

    Watertown Police Chief Edward Deveau says "we still need some time" and says it may be the weekend before "the crime scene is under control".

     
  170.  
    1743:
    Col Timothy Alben

    State Police Col Timothy Alben says officials will hold another briefing in just over an hour.

     
  171.  
    1752:

    George MacMasters hired suspect Dzhokhar Tsarnaev as a lifeguard at Harvard University, where he is an aquatics coordinator. He tells the BBC he never suspected the 19-year-old could be capable of something like the Boston bombings.

    "He seemed very well adjusted. He had very little accent, spoke perfect English, he had a little bit of humour with his fellow high school students."

     
  172.  
    1753: Anthony De Rosa Reuters social media editor

    tweets: Is it at all possible the second suspect slipped out of Watertown already?

     
  173.  
    1754:

    Thank you for all your tweets and emails - keep them coming as we would love to hear from you.

     
  174.  
    1757:

    The Chechen president, Ramzan Kadyrov, has commented on Instagram:

    "We have previously expressed our condolences to the people of the city and the people of America... Any attempt to make the connection between Chechnya and the Tsarnaevs, if they are guilty, is in vain. They grew up in the US, their attitudes and beliefs were formed there. It is necessary to seek the roots of evil in America. We wish recovery to all the victims and share the feelings of sorrow."

     
  175.  
    1757:

    "The Russian president offered to help in any way he could. Actually, he could do a lot of good," writes Fred Kaplan of Slate Magazine.

     
  176.  
    1802:

    Sierra Schwartz, a former classmate of Dzhokhar Tsarnaev at Cambridge Rindge and Latin High School, says the situation is "absolutely shocking for everybody that knew him back in high school". She tells BBC News he was a "very friendly, kind person... the most shocking thing is there were absolutely no signs that he could ever have committed such a horrendous, horrific crime."

     
  177.  
    1808:

    Amtrak says it has closed rail service between Boston and New York on the popular Northeast Regional route. Trains between Washington and New York are still running.

     
  178.  
    1818:

    In West New York, New Jersey, right outside New York City, police have been speaking with a woman who says she is the suspects' sister.

    Ailina Tsarnaev tells reporters she was "shocked" that her brothers were implicated in the bombing and said she had not spoken to them in years, as her family was unhappy she married a man who was not a Muslim.

     
  179.  
    1819: BBC's Simon Wilson

    tweets: "Welcome to Boston. Do NOT pick up any hitchhikers." Useful advice from car rental agent.

     
  180.  
    1828: Dave Lee Technology Reporter

    Internet users have been working to piece together digital clues about the Boston bombing culprits. Many people are now asking if such "crowd-sourcing investigations" should be stopped as they got it wrong - and left innocent people fearing for their safety. Read our feature here.

     
  181.  
    1838:

    Kurt Schwartz with the Massachusetts emergency management agency says Bostonians who have taken shelter at their workplaces should feel free to drive home and stay there, taking taxis or rides from friends if necessary.

     
  182.  
    1848:

    NBC News and AP report Tamerlan Tsarnaev travelled to Russia last year through New York and stayed there six months. There is no record of Dzhokhar Tsarnaev leaving the country.

     
  183.  
    1850:

    Meanwhile, the New York Times and CBS News report that Dzhokhar, his mother and father became naturalised US citizens last year. Tamerlan was reportedly in the middle of the process.

     
  184.  
    1903:

    Connecticut police are looking for a different car with a Massachusetts license plate, a green 1999 Honda Civic. But they say to call Massachusetts police with any information.

     
  185.  
    1915:

    The Boston Globe reports that medical officials at Beth Israel attempted to revive Tamerlan Tsarnaev after he was brought in with "massive injuries".

     
  186.  
    1917: Barb Darrow, Watertown

    Tells the BBC: "We got a "robocall", which is a reverse 911 call, from the Watertown PD at 02:30 and have been locked inside since. It is like a ghost town here. It is a strange and worrying day for everyone here. I have been creeping around in my own house peering out the window. It is mind-boggling what has happened here today."

     
  187.  
    1924: CNN's Jake Tapper

    tweets: This may sound odd but there's a New Orleans after Katrina vibe to downtown Boston right

     
  188.  
    1932:

    Maret Tsarnaeva, who says she is the suspects' aunt, tells reporters in Canada says she "strongly believes" the two brothers could not be guilty of the bombings and says the picture of the two at the marathon was staged.

    "I am used to being set-up," she says, referring to her life in the former Soviet Union. "I am a Chechen."

     
  189.  
    1937:

    BBC Monitoring reports both brothers posted links to Islamic militant websites online, some specifically relating to Chechnya and Syria.

    What appears to be Dzhokhar's page on the Russian social networking website VKontakte carries a link dated 9 April to a video showing scenes of what appears to be government forces' brutality in the Syrian civil war. A YouTube account in the name of Tamerlan Tsarnaev features a clip with an Arabic audio track in which a man draws a parallel between Chechnya and Syria.

     
  190.  
    1942: Michael, Belmont MA

    emails: Starting to think this lockdown may continue for quite some time yet. The scene is surreal in the day light. It's going to get very spooky at night when there's nothing on the roads and the constant blue flash of police lights.

     
  191.  
    1945: BBC's David Botti

    tweets: The gym where one of the #bostonbombing suspects practised. Closed for business today.

    Gym of one of the Boston suspects
     
  192.  
    1950: Will Bowry, Boston MA

    emails: And as the manhunt continues, I and two other British teachers are holed up in Fenway watching events unfurl on TV. The park near my flat, normally a bustling hive of activity, is deserted, apart from circulating police cars. All we can do is wait.

     
  193.  
    2007:

    BBC Monitoring has more of Anzor Tsarnaev's comments on Friday. He told Russian journalists he had spoken to his sons immediately after the Boston bombings. They told them they had not been hurt and were not there at the time.

    According to Interfax news agency, Anzor said he did not believe his sons were capable of such an act and that they "wouldn't hurt a fly".

     
  194.  
    2008:

    The White House has released a photo of President Barack Obama and his security advisers in the situation room, where he was briefed on the Boston investigation.

    Barack Obama in the situation room
     
  195.  
    2030:

    The Boston-based Red Sox baseball team and Bruins ice hockey teams have announced they are postponing their games while authorities search for a suspect in the Boston Marathon bombings, the Associated Press reports.

     
  196.  
    2038:

    Reports say that a woman in New Jersey calling herself the sister of the two suspects is helping the police with their inquiries. FBI agents have removed a computer from her apartment in West New York, the North Jersey news site reports.

     
  197.  
    2046: Fatma Tanis, Cambridge MA

    Tells the BBC: Right now Cambridge is on a lock down, not a single soul is on the street except for a few cars passing by. We are allowed to leave our homes but have been advised to stay inside - the police want us to feel safe. All shops and schools are shut down at the moment. It's a bit scary going out when it's quiet. We don't know what's going to happen - there are lots of questions.

     
  198.  
    2046:

    As the Massachusetts State Police said they were no longer looking for a green Honda Civic sedan, a Reuters reporter in a Cambridge backyard near the Tsarnaevs' apartment reported seeing police loading a Honda with a licence plate they had taped over onto the back of a tow truck. Soon after, the bomb squad arrived, and three people in white biohazard suits and heavy yellow boots emerged from the apartment, according to Reuters.

     
  199.  
    2054:

    A student who lived two doors away from Dzhokhar Tsarnaev in their student dormitory has told the BBC he was "a pretty nice person". Zach Boyer said of Dzhokhar: "I saw him all the time. He was often in my room... He did wrestling and played soccer. He was well liked."

     
  200.  
    Alison Yeardley, Cambridge MA

    Tells the BBC: "It's eerily quiet outside. I can hear sirens and helicopters only. I'm half a mile away from the suspect's house. Everyone is confident things are going to be ok. If was bit closer to Watertown I might feel differently. My friend in Watertown slept through everything! All the city is in shutdown - we are allowed outside, but the transport system is down. We're staying in and keeping off the roads to help police. We're not all in fear - we're in our pyjamas eating chocolate."

     
  201.  
    Vladimir Georgiev, Boston

    Emails: All I can see outside is police cars. It's like a ghost city.

     
  202.  
    2112:

    The Washington Post has done a "quick back-of-the-envelope calculation" of the economic damage caused by Boston's shutdown. One estimate puts the Boston metropolitan area's GDP at around $326 billion in 2011, meaning the shutdown could be costing nearly $1 billion per day. However, another analyst has said the effect will likely be similar to that of a major blizzard, the Post reports.

     
  203.  
    2121:

    As well as affecting travel within the city, the shutdown has meant disruption to services to and from Boston. These travellers were at Pennsylvania Station in New York, where all trains to Boston were cancelled.

    A police officer keeps watch as all trains towards Boston were cancelled at Pennsylvania Station, in New York,
     
  204.  
    2124:

    Some Boston residents are taking extra precautions in the current scare. Jesse Bonelli in Watertown told the Associated Press that he was staying inside his house with a sharpened machete. "It's something I usually keep hanging on the wall, but it's the only weapon I have... I want to be ready in case anyone bursts into the house," Mr Bonelli said.

     
  205.  
    2136:

    The brothers' uncle Alviz Tsarni has spoken to America's ABC. Asked if he was worried about his nephew, he replied: "What can happen to him? They will kill him, it's all… We know it, right? We don't have to worry about this. What's done is done, he is already dead."

     
  206.  
    2147:

    The BBC's Ben Wright in Boston says that police have confirmed that the first suspect - Dzhokhar Tsarnaev's brother Tamerlan - had "some sort of IED" with him when he was killed. Police say the brothers were heavily armed during the chase in the early hours of the morning, he adds.

     
  207.  
    Katty Kay Presenter, BBC World News

    tweets: High school friend of Tamerlan describes him to me as nice, sociable and funny. That was in 2006. Did he change recently? What happened?

     
  208.  
    2221:

    The shutdown has turned some Bostonians into refugees for the day, writes the BBC's North America editor Mark Mardell, with police holding them behind cordons while their homes are searched. "I don't think America will feel normal again until he's caught," he says.

     
  209.  
    2236:

    The Russia Today channel has aired an interview with a woman saying she is the suspects' mother, Zubeidat Tsarnaeva, in which she says she is sure her sons have been set up, echoing their father Anzor's comments earlier on Friday. While saying Tamerlan had been involved in "religious politics", Mrs Tsarnaeva said he had never indicated to her that "he would be on the side of jihad".

     
  210.  
    2237:

    Anonymous officials say that Dzhokhar Tsarnaev ran over his wounded brother while escaping from police, the Boston Globe newspaper reports. "This kid is obviously going down fighting," the Globe quotes an unnamed police official as saying, referring to the brothers' gun battle with police. "You can rest assured the cops are looking for a fight right now," he added.

     
  211.  
    2244:

    Parts of Boston have witnessed scenes reminiscent of troops deploying - here a woman carries a girl from their house as a police SWAT team moves in.

    A woman carries a girl from their home as a SWAT team searching for a suspect in the Boston Marathon bombings enters the building
     
  212.  
    2303:

    If you are just joining us, welcome to our live coverage of the manhunt in the US city of Boston for one of two brothers suspected of bombing the city's marathon on Monday.

     
  213.  
    'We're on edge but not much is happening'

    Mira in Cambridge, MA, emails: People have been going out since 15:00 even though the police keep saying to stay inside. People have been saying it will last into the weekend, but people aren't going to stay inside that long. People are looking for stores that are open. At the same time, it isn't normal. There are always sirens in the distance and helicopters. In Watertown people are being searched. Schools are on vacation so it's not a big deal about that. We're on edge but not much is happening.

     
  214.  
    2309:

    Massachusetts Governor Deval Patrick has told a news conference that the city's stay-indoors order has been lifted. "But remain vigilant," he adds.

     
  215.  
    2315:

    Richard DesLauriers, FBI special agent in charge in Boston, has urged "those who have information to come forward and provide it to us".

     
  216.  
    2319:

    Speaking alongside Governor Patrick, Massachusetts state police chief Timothy Alben pledges to capture the fugitive. "My message to the suspect is to give himself up," he says. "This is a dangerous person who we believe has killed people."

     
  217.  
    2320:

    According to Governor Patrick, 200 rounds and explosives were used in the overnight firefight.

     
  218.  
    2323:

    Boston police believe the suspect has not left Massachusetts but cannot be sure he is still in the city of Boston.

     
  219.  
    2324:

    Police say they believe the suspect is still in the state because of his ties.

     
  220.  
    2328:

    Ethnic Chechens from the troubled Caucasus region of southern Russia: read our profile of the fugitive suspect, Dzhokhar Tsarnaev, and his elder brother Tamerlan, who was reportedly killed earlier in the security operation.

     
  221.  
    2329:

    Police believe Dzhokhar Tsarnaev fled on foot. No indication he has a vehicle.

     
  222.  
    2337:

    This photo of the Rose Kennedy Greenway park in Boston shows just how empty the city's streets were at dinnertime today.

    The streets around the Rose Kennedy Greenway in Boston stand almost deserted at dinnertime, 19 April
     
  223.  
    c.sandy, in Boston, MA

    tweets: The chaos in this town is something else. #Boston #BostonBombing

     
  224.  
    Kaily Belpedio, in Boston, MA

    tweets: What is wrong with people these days... I'll never understand. I've never been more afraid to walk outside. #saveboston

     
  225.  
    2341:

    Massachusetts state police chief Col Timothy Alben outlined how exhaustive the search had been today. "We went through about 20 streets here, door to door, with our tactical teams," he said.

    "We knocked on doors to ensure that everyone was safe in their homes and that they saw the police on their streets. We did limited searches of those homes to render them safe. We've also followed a number of leads this afternoon that have taken us in various places in eastern Massachusetts, and none of those leads have been fruitful to this point."

     
  226.  
    2347:

    Lifting his order for Boston area residents to stay at home, Governor Patrick also announced the reopening of Boston's "T" subway system.

     
  227.  
    2353:

    The 33-year-old transit police officer severely wounded in the firefight with the suspected bombers has undergone surgery. Here is a handout photo of Officer Richard Donohue.

    Police officer Richard Donohue Jr

     
  228.  
    Shilpa Pandya, in Boston, MA

    tweets: Lockdown lifted! I've never loved fresh air so much. Now begins the hunt for food...

     
  229.  
    0000:

    Some people have been confusing Chechnya - where the bomb suspects originated - with the Czech Republic. The Czech ambassador to Washington, Petr Gandalovic, has issued a statement on this "most unfortunate misunderstanding".

     
  230.  
    Matthias HH, in Boston, MA

    tweets: MBTA is up and running again, which means I'm heading to Eastie for much needed friends and drinks. #bostonstrong

     
  231.  
    0009: Breaking News

    Gunfire reported in the Watertown area - Reuters.

     
  232.  
    Eric_Twardzik

    tweets: Please, please let him be taken alive. We all need answers.

     
  233.  
    0011:

    Gunshots heard in Watertown, emergency and military vehicles driving through town - AP.

     
  234.  
    0012:

    AFP quotes "witnesses" as saying they were "exchanges of fire".

     
  235.  
    0016:

    AP says it was not immediately clear whether the authorities had found suspect Dzhokhar Tsarnaev.

     
  236.  
    0019:

    Here is a photo of a US Swat team in Watertown on Friday.

    A US Swat team in Watertown, Boston, 19 April
     
  237.  
    0022:

    US President Barack Obama has thanked his Russian counterpart, Vladimir Putin, in a phone call for Moscow's co-operation over counter-terrorism, the White House says (Reuters). They agreed to continue working together.

     
  238.  
    0024:

    There is a heavy police presence in the Franklin St area of Watertown, the Boston police department has confirmed on Twitter.

     
  239.  
    0027:

    An ambulance has pulled up, a CNN correspondent reports from Watertown.

     
  240.  
    0028:

    The CNN person adds that she is several streets away from Franklin St.

     
  241.  
    0029:

    Another CNN journalist in the area phones in to say he has seen children being evacuated.

     
  242.  
    0034:

    Details of that Obama-Putin phone call coming in. "President Putin expressed his condolences on behalf of the Russian people for the tragic loss of life in Boston," the White House said in its statement.

     
  243.  
    0041:

    Professor Matthew Payne, of Emory University in Atlanta, has told BBC News Channel that it is too early to say why the brothers did what they are thought to have done. "The Tsarnaev brothers are not really much of a product of Chechnya. They're much more a product of the Chechen diaspora and are in fact refugees from the vicious Russo-Chechen wars of the 1990s and early 2000s..."

     
  244.  
    0042:

    "Both brothers were very well integrated into American life," Professor Payne says. "It's very facile to assume that Chechen politics in particular would be motivating them here."

     
  245.  
    0048:

    For the latest on tonight's drama, read our breaking news story.

     
  246.  
    0052:

    There has been a flurry of tweets by bloggers on the situation in Watertown. Our technology reporter, Dave Lee, has this salutary piece on how social media initially got it wrong about the bomb suspects.

     
  247.  
    0056:

    Garrett Quinn, a reporter from Boston.com, has told BBC News that a person was found hiding under canvas in a boat in Watertown during the police operation.

     
  248.  
    0059:

    This photo just in shows US law enforcement personnel approaching an area in Watertown where the suspect was thought to be hiding.

    US law enforcement personnel in Watertown, Boston, 19 April

     
  249.  
    0102:

    Police in New Bedford, Massachusetts, have taken three people in for questioning in connection with the hunt for Dzhokhar Tsarnaev, ABC News reports in a tweet.

     
  250.  
    Michael, in Belmont, MA

    emails: Everything has moved a little closer to us here in Belmont. Can hear more gunshots or similar explosions outside. Looks like the police are right on top of him.

     
  251.  
    0111:

    "My dear son Martin has died..." "You couldn't ask for a better daughter..." An eager cook who liked to blog about her meals and share new recipes... Read our pen portraits of the three people killed by the bombs on Monday.

     
  252.  
    0114:

    The FBI interviewed Tamerlan Tsarnaev, the suspect killed in the initial firefight, in 2011 at the request of a foreign government but found nothing - AP.

     
  253.  
    0116:

    Here is a photo of a Swat team officer on Franklin St a little earlier.

    Swat team officer on Franklin St, Watertown, Boston, 19 April
     
  254.  
    0120:

    ABC News update: "Eyewitness: Neighbour went to check boat behind his house today, saw blood, climbed up ladder to open boat's cover, saw a body, called police."

     
  255.  
    0125: Paul Adams, BBC World Service Correspondent, writes

    Someone from CNN has just managed to get a glimpse of the boat, and heard officers shouting for the suspect to come out. The reporter didn't hear any response from inside the boat. This was minutes ago

     
  256.  
    0128:

    An FBI hostage team from Quantico has arrived, a local ABC affiliate says.

     
  257.  
    0130:

    This photo shows police near Franklin St in Watertown this evening.

    Police in Watertown, 19 April
     
  258.  
    0133:

    A law enforcement official has told AP that the suspect is in a boat "stored in a Massachusetts neighbourhood". He did not know if Dzhokhar Tsarnaev was dead or alive.

     
  259.  
    0135:

    This image apparently shows the boat in a backyard.

    Houses in Watertown, Boston, 19 April
     
  260.  
    Kathryn Ridley, in Boston, MA

    tweets: All of America is watching and waiting for the official confirmation

     
  261.  
    0148: Breaking News

    "Suspect in custody" - Boston police department tweet.

     
  262.  
    0151:

    Officers now sweeping the area of the arrest - Boston police.

     
  263.  
    0152:

    Dzhokhar Tsarnaev was taken away to applause from people near the scene in Watertown - AFP.

     
  264.  
    0155:

    "He was captured after gunfire, but his condition is not known. He appears to be alive" Boston Globe tweet.

     
  265.  
    0158:

    That Boston police department tweet on the capture has been retweeted at least 65,000 times.

     
  266.  
    0159:

    "We got him," Boston mayor Tom Menino tweets.

     
  267.  
    0201:

    You can feel the elation in the Boston police department's tweeting: "CAPTURED!!! The hunt is over. The search is done. The terror is over. And justice has won. Suspect in custody."

     
  268.  
    0204:

    That undated FBI handout photo of the suspect again.

    Undated photo of Dzhokhar Tsarnaev
     
  269.  
    Oliver Rocos, in Cambridge, MA

    emails: Amazing that they have him, incredible hard work by the Boston police and all the others that have come to help all week. Thanks for keeping us safe here. We now just need to make sense of it all.

     
  270.  
    Rhys Elsmore, in Boston, MA

    tweets: Opinions, cheering, high fiving and arguments already happening in downtown boston. One of the strangest things I have seen.

     
  271.  
    Olivia Lingren, in Boston, MA

    tweets: Finally can sleep peacefully #bostonstrong

     
  272.  
    0211:

    Boston's WBUR radio tweets that the suspect is "bloodied but in custody and being taken to the hospital".

     
  273.  
    Kyle Spencer in Boston, MA

    tweets: @7News Applauds heard all over Boston! Relief felt all over the city. We can finally get some normality back, thanks to the law enforcement!

     
  274.  
    Lada, in Boston, MA

    tweets: Thank you Boston and Watertown PD. thank you, thank you #bostonstrong

     
  275.  
    Robin Chase, in Boston, MA

    tweets: Those of us who live in Cambridge are very happy he was captured alive. He is young and very very very foolish. But young

     
  276.  
    0215:

    CBS News is reporting that the homeowner at the address on Franklin Street went outside for the first time shortly after the police lifted the lockdown.

    The homeowner is reported to have noted a tear in the cover to the boat in the backyard. He went to look more closely and saw what CBS says he described in the subsequent 911 call as "a bloody mess in there"...

     
  277.  
    0216:

    ...CBS News say that three police officers went to investigate. When they looked inside they also saw blood and someone moving.

    They retreated after a shot was reportedly fired from inside and then alerted the FBI who brought in the tactical unit.

     
  278.  
    Sydnie in Boston, MA

    tweets: My city is known as the place of the shot heard 'round the world. Now the sound heard 'round the world is applause. #bostonstrong

     
  279.  
    0220:

    This photo shows an ambulance leaving Franklin St, where the suspect was tracked down.

    An ambulance leaves Franklin St, Watertown, Boston, 19 April
     
  280.  
    Kyle Spencer, in Boston, MA

    tweets: They said they wouldn't stop until they caught those responsible and they didn't. Thank you to those involved to protect us #BostonStrong

     
  281.  
    Anar Virji, in Boston, MA

    tweets: People cheering on streets of Boston #BostonMarathon

     
  282.  
    0228:

    J David Goodman of the New York Times tweets reaction to the news at a Mets-Nationals baseball game in New York: "Capture of Boston suspect announced on jumbotron at game. Cheers and chants of 'USA! USA!' Then the seventh inning stretch."

     
  283.  
    Robb D'Agostino, in Boston, MA

    tweets: Never been more proud to be a Bostonian. Thank you to all the police, firemen, and medical workers this week.

     
  284.  
    0232:

    Ruslan Tsarni, an uncle of the two suspected bombers, was asked by AP about the possible motive for the attack. He said his nephews had struggled to settle themselves in the US and ended up "thereby just hating everyone".

     
  285.  
    0235:

    Massachusetts Governor Deval Patrick praises police operation at a news conference. Thanks members of the public, too, for reviewing their photos of the Marathon and helping the investigation.

     
  286.  
    0239:

    Boston's Mayor, Tony Menino, tells reporters he is "so happy... that the people of Boston will be able to sleep tonight".

     
  287.  
    0241:

    FBI special agent Richard DesLauriers says this was a "truly intense investigation". He thanks the media for its help in publishing photos of the suspects.

     
  288.  
    0242:

    Boston police commissioner Ed Davis tells the news conference that the support of Boston's citizens has been "incredible".

     
  289.  
    0244:

    President Obama is to speak about the capture of the Boston suspect - AP.

     
  290.  
    0246: Mario Cacciottolo, a BBC News journalist visiting New York, writes

    A ripple of applause and chants of "U-S-A" in a New York bar as news of Boston bombing suspect's arrest breaks.

     
  291.  
    0248:

    Boston's police commissioner says the suspect is in a "serious condition".

     
  292.  
    0250: David Botti, BBC News journalist in Massachusetts, writes

    A crowd of about 150 people have gathered outside the Mt Auburn hospital in Cambridge. Police have set up tape barriers and stand at the emergency entrance. There is no confirmation the second suspect will be arriving here. But that hasn't dampened curiosity on this windy, damp night.

     
  293.  
    Sean Dougherty, in Boston, MA

    tweets: There is literally a party in the streets. Crazy scene.

     
  294.  
    Dimanne Louise, in Boston, MA

    tweets: Proud to say that I went around the block and thanked the cops #BostonStrong

     
  295.  
    0254:

    This photo shows a little girl being carried to safety in Watertown during the police operation.

    A little girl is carried to safety in Watertown, 19 April

     
  296.  
    0255:

    Boston police say Dzhokhar Tsarnaev fired shots from the boat where he was hiding.

     
  297.  
    0306:

    President Obama has just gone on air from the White House. "Tonight... we have closed an important chapter in this tragedy."

     
  298.  
    0307:

    Mr Obama pays tribute to the law enforcement officers involved in the operation against the suspects.

     
  299.  
    0308:

    Mr Obama says the question now is what motivated the "terrorists" who carried out the Boston Marathon attack and was anyone else involved.

     
  300.  
    0310:

    Mr Obama says America welcomes people from all around the world and should "sustain that spirit" as the investigation continues.

     

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