Three men have been arrested on suspicion of murder after a 25-year-old was shot dead at a block of flats in south-west London.
Edward Simpson was found fatally wounded when armed police were called to Exeter House, Watermill Way, Feltham, at 23:05 BST on 21 June.
A post-mortem examination gave the cause of death as single gunshot wound to the upper body, police said.
The suspects – aged 22, 26 and 27 – remain in police custody.
Mr Simpson, of Feltham, was pronounced dead at the scene.
Appealing for witnesses to come forward, the Met said: “The scene is surrounded by homes and officers believe that someone will have information which could prove vital to the investigation.”