Detectives are appealing for information and witnesses after four pedestrians were injured following a serious road traffic collision in West Kensington.
Police were called by the London Ambulance Service (LAS) shortly before 18:45hours on Wednesday, 23 November to North End Road junction with Mund Street, W14 to a report of a car in collision with a number of pedestrians.
Officers attended along with the LAS.
At this early stage, it is believed that the car - a black Audi A3 - was travelling along North End Road when it became involved in a collision with the victim's as they crossed the road.
The four pedestrians - a 56-year-old man and three men aged in their twenties were taken to hospital for treatment.
The 56-year-old man and two of the men aged in their twenties are in a non-life threatening condition.
The third man, aged in his twenties, remains in a critical condition at hospital.
The car involved stopped at the scene.
A 19-year-old woman was arrested by officers on suspicion by causing injury by dangerous driving. She is currently in custody.
A female passenger who was in the vehicle involved received treatment at the scene for minor injuries.
Detectives from the Serious Collision Investigation Unit continue to deal.
Temporary road closures have now been lifted.
Enquiries are ongoing.
Anyone with information concerning this incident is asked to call the Serious Collision Investigation Unit on 020 8543 5157 Crimestoppers anonymously on 0800 555 111.