A man has been punched and kicked to death during a street fight in north-west London.
Police are appealing for witnesses to the incident which happened at 0540 BST in Harrow View in North Harrow.
Witnesses saw two men fighting after they had been dropped off by a red car which police believe was a minicab.
A police spokesman said the victim received "multiple injuries" adding: "We do not believe any weapons were involved.
"We believe the victim was punched and kicked."
The man, thought to be in his 30s, died in the road.
A man in his mid-thirties was arrested at the scene on suspicion of murder.
He was taken to a police station where he remains in custody.
Police are keeping an open mind about the motive but want anyone with information to call the incident room at Belgravia on 020 7321 7228, or Crimestoppers on 0800 555111.