Detectives are hunting three killers who stole their victim's car after stabbing him to death.
Darryl McClymont, who was 23, died in Isleworth in west London.
Police were called after the victim was stabbed in Ferney Meade Way.
Officers and London Ambulance Service attended but Mr McClymont was pronounced dead at the scene.
A post-mortem examination took place at Fulham Mortuary and confirmed the cause of death as a stab wound.
Next of kin have been informed.
More top news
A lamp in the tower which houses Big Ben is to be switched off for the first time in more than 70 years.
Sir Bruce entertained audiences for more than seven decades.
Work in the tower will also pause over the bank holiday weekend.