Police are appealing for witnesses after a traffic collision in Ruislip left a motorcyclist with serious injuries.

Officers were called at approximately 4.05pm on Wednesday (August 17) to reports of a car in collision with a motorcycle in Lime Grove, at the junction with Elm Avenue in Ruislip.

The London Ambulance Service and London's Air Ambulance also attended the scene.

The rider of the motorcycle, a 47-year-old man, was taken to hospital for treatment to injuries which have been described as life threatening.

Next of kin have been informed.

The car, a white Lexus, stopped at the scene. There have been no arrests.

Anyone who was in the area and witnessed the collision has been asked to contact the Serious Collision Investigation Unit based at Alperton on 020 8991 9555.