A man is fighting for his life after a crash in Lampton Road on Friday evening.
The pedestrian, believed to be in his 20s, was involved in a collision with a silver Toyota near Hounslow Civic Centre at about 7.15pm.
The man, who has not yet been named, was taken to Charing Cross Hospital, where he remains in a critical condition.
The driver of the Toyota was arrested at the scene and later charged with 'driving offences', according to police.
Anyone with information is asked to call Hampton Collision Investigation Unit, which is investigating the incident, on 020 8941 9011.