A 16-year-old boy has been arrested in connection with the murder of a man who was shot dead after a Christmas Eve shopping trip, police said.
Craig Brown, 20, was shot at 4.50pm on Loftus Road, Shepherd's Bush, Hammersmith, west London, and pronounced dead at the scene by the ambulance service.
Scotland Yard said officers have arrested a 16-year-old in connection with the murder.
He is being questioned at a west London police station.
A post-mortem examination at Fulham Mortuary confirmed the victim died of gunshot wounds.
Mr Brown had returned from a shopping trip and had parked his car in Loftus Road, police said.
He was approached by two men as he unloaded goods from the car.
He was shot before the men made off on foot towards Queens Park Rangers' football ground.
The shooting is being investigated by Operation Trident.
Anyone with information should contact police on 020 8733 4704 or Crimestoppers anonymously on 0800 555 111.