Attack victim Julie Sheriff dies after four months in coma
A teenage girl left in a coma after being assaulted in May has died of her injuries.
Julie Sheriff, 16, from Hackney, was attacked in Battersea, south-west London on 7 May, the Met Police said.
She was taken to hospital but did not regain consciousness before dying on 21 September. Police are treating it as murder.
A post-mortem examination gave the cause of death as head injuries with associated complications.
Detectives from the Met's Homicide and Serious Crime Command are investigating.
Det Con Insp Nick Scola said: "We know from CCTV that some of the witnesses have not yet come forward and since the tragic death of this young woman, we urge them to do so.
"We would like to appeal to the public to think back to the time of this assault and speak to police as soon as possible.
"Julie was visiting friends in the Battersea area at the time."