Southwark Police have launched an appeal for witnesses after a 15-year-old boy was stabbed at the Elephant & Castle on Sunday evening.
The incident took place in Newington Butts between 5.05pm and 5.30pm on Sunday 25 February.
A 16-year-old has been charged with attempted robbery, grievous bodily harm and possession of an offensive weapon.
Detectives are appealing for witnesses. If you saw what happened, call 101.