A 15-year-old boy who died after he was stabbed in a fight in east London has been named.
Joel Adesina, from Dagenham, was found stabbed in the abdomen on Bethnal Green Road, Tower Hamlets, at 23:00 GMT on Friday.
The teenager was taken to hospital but died several hours later. His next of kin have been told.
An 18-year-old man was arrested at the scene and taken to an east London police station for questioning.
Police are keen to speak to anyone who may have witnessed an altercation in Padbury Court, just before the stabbing, between a group of male youths on foot and the occupants of a car.
The altercation carried on to nearby Gibraltar Walk.
Joel was part of the group on foot, police said.
Det Ch Insp Chris Jones said: "Anyone who may have witnessed this altercation or have information which could assist the investigation is asked to contact the police as soon as possible."