A 17-year-old boy has been charged with murder after another teenager was stabbed outside a Tube station.
Malcolm Mide-Madariola, 17, from Peckham, was fatally stabbed outside Clapham South station on Friday.
The Metropolitan Police said the boy charged will appear at Bromley Magistrates' Court later.
Two men, both 18, have also been arrested on suspicion of murder. One has been bailed until later this month while the other remains in custody.
Police were called to reports of a stabbing outside the tube station at about 16:35 GMT.
Malcolm, a student at a college in Clapham, had suffered a stab wound and was taken to hospital, where he died.
He was the second teenager to be stabbed to death in south London within 24 hours.
Jay Hughes, 15, died on Thursday night after being stabbed in a chicken shop in Randlesdown Road, Bellingham.
Since then three other young people have been killed in suspected stabbings in the capital.