Large sections of the tourist hotspot were sealed off after a man was found with knife injuries.Read more
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Footage shows a man being shot in the leg in a busy street in south London.
A second 17-year-old boy has been arrested on suspicion of the murder of 18-year-old Solomon Small.
Detectives continue to investigate his death on Thursday, 15 August.
Mr Small was stabbed in Corrance Road, SW2, and pronounced dead by paramedics at 14:41 BST.
A post-mortem examination on Friday gave the cause of death as an incised wound to the chest, consistent with a knife.
Meanwhile a 17-year-old boy arrested on suspicion of murder on Thursday, 15 August has been bailed to return to court in mid-September.
The 15-year-old's family announces that a reward is being offered for help to find her.
The officer was stabbed in a "frenzied" attack as he tried to stop a van in Leyton.