Detectives are investigating a fatal collision in west London.
Police were called at 21:41hrs on Sunday, 8 September to reports of a collision involving two vehicles at the Clockhouse Roundabout close to the A30.
Officers and the London Ambulance Service attended. A man in one of the vehicles, aged 23 was pronounced dead at the scene. His next of kin have been informed.
A second man , a 32-year-old passenger in the other vehicle was taken to hospital for treatment but his injuries are not life threatening.
A woman aged 20 was arrested on suspicion of causing death by dangerous driving. She has been released under investigation.
Detectives from the Serious Collisions Investigation Unit are investigating.
Anyone who witnessed the collision or who may have captured it on dash cam are asked to call the Serious Collision Investigation Unit on 020 8543 5157.