A teenage boy has been charged and two others have been arrested after a 15-year-old was fatally stabbed in north-west London.
Jamal Ringrose was treated at the scene on Dudden Hill Lane in Dollis Hill at about 22:30 BST on 30 May, but he died in hospital on Thursday.
A 15-year-old boy was arrested on 2 June and charged with affray and possession of an offensive weapon in a public place. He appeared at Willesden Magistrates' Court on Thursday.
Officers also arrested a boy, 16, and a man, 18, on suspicion of assault causing grievous bodily harm. The boy remains in custody. The man was bailed.
The 16-year-old was also arrested on suspicion of possession of an offensive weapon and affray.
Det Insp Simon Ager from the Met, said: "Our thoughts are with the family and loved ones of the boy who very sadly lost his life."
He said officers were pursuing several lines of inquiry, and appealed for anyone in the area to come forward with information or footage of the incident.
"No detail is too small or insignificant," he said.
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