A man has died after a fight outside Greenford tube station.
He was found unconscious on Oldfield Lane North at around 1:45am on Saturday morning.
Another man, who was also unresponsive, was discovered with a head injury and has since been taken to hospital.
Both are believed to be in their late thirties.
Detectives say no one has been arrested but they're looking for anyone with information to come forward.
The station remains closed.