A 15-year-old boy has been arrested in connection with the murder of Dogan Ismail.
Dogan, from Peckham, was attacked outside Latimer House on the Aylesbury Estate in Walworth on 30 December. He died at the scene.
He was with his 15-year-old brother, Orhan Ismail. They'd gone to the Aylesbury Estate to recover his phone which had been stolen two days earlier.
An 18-year-old has already been charged with murder. Anthony Munroe, is also charged with one count of theft, committed on the day of Dogan's death.