A 15-year-old boy has been arrested after a teenager was stabbed to death near a house party in south London.
The victim, who is believed to have been aged 16, was found with a number of knife wounds to his upper body in Colegrove Road, Peckham, at 7.19pm on Friday.
Despite efforts to save him by paramedics from the London Ambulance Service and London Air Ambulance he died at the scene a short while later.
A post-mortem gave the cause of death as a stab wound to the chest.
The 15-year-old, who has not been named, was arrested on suspicion of murder on Sunday and remains in custody.
Police sealed off the area where a number of weapons were later found and area appealing for anyone who saw anything to come forward.
A Met Police spokesman said: "It is understood that a large house party was taking place at the time of the incident and detectives are appealing for all witnesses and anyone with information to call police."
The victim has not been formally identified, although police said they have notified his next-of-kin.
Anyone with information should call police on 101 or Crimestoppers on 0800 555 111.