Birmingham stabbing: Five teenagers questioned
Two more teenagers have been arrested in connection with the stabbing of a man in a Birmingham street.
The 19-year-old victim was found with multiple stab wounds outside the Opal One student flats near the city centre at 01:00 BST on Saturday.
A 16-year-old girl and two boys aged 14 and 15 were arrested shortly afterwards during a search of the area.
West Midlands Police said officers later arrested two more youths aged 14 and 15 in Rednal, south Birmingham.
The stabbed man was attacked at the junction of the A38 Bristol Road and Belgrave Middleway.
He remains in a critical condition in hospital.'Nasty' attack
Shortly after the victim was found, officers supported by the force helicopter searched nearby canals and railway tracks.
A knife has been recovered and is currently undergoing forensic examination, a spokesman said.
Det Insp Ian Ingram, said: "The motive for the attack remains unclear at this time but I can confirm that we are treating this as attempted murder.
"This was a nasty incident and our thoughts remain with the victim who is in a critical condition in hospital.
"We have spoken to a number of witnesses and we are encouraged by the progress we have made in relation to our investigation, but continue to appeal for anyone with information to come forward."