A second teenager has been arrested over the killing of a young father who was shot outside his home last month.
Peter Woodhams, 22, was shot after an earlier confrontation with a group of youths outside shops in Canning Town, east London, on 21 August.
Police said the arrested 17-year-old is being held at an east London station.
Bradley Tucker, 18, of no fixed address, appeared in court charged with murdering the father-of-one. He was remanded in custody on Tuesday.
Mr Tucker is due to appear at the Old Bailey on 19 December.