Four people have been arrested after a 28-year-old man was stabbed to death in Shepherd's Bush, west London.
The victim was found in Askew Road at about 0100 BST on Wednesday. Residents said a fight took place between two men on the pavement in front of shops.
Three men, aged 31, 37 and 57, and a woman, 42, are being questioned.
Business owners were told to stay indoors overnight as forensic experts examined the pavement and shop frontages.