Police have appealed for information after a collision resulted in a motorcyclist losing his leg in Ealing.
The incident happened at approximately 7:10pm on Sunday, 21 May.
A car and a motorcycle were in collision on Gunnersbury Lane, at the junction of Lillian Avenue, Acton, W3.
The rider of the motorcycle, a 45-year-old man, was found with a serious injuries.
He was taken to hospital where his left leg had to be amputated below the knee. The car involved, a silver Mercedes Benz saloon, did not stop at the scene but was found a short distance away.
The driver ran off along an alley that runs between two houses in Lillian Avenue,
Enquiries continue to find the driver of the car involved.
Police are asking anyone witnessed the incident or has any information to contact them.
In particular, officers are asking for anyone with dash-cam footage, who was in the area near the time and date of the collision to the contact them.
Any witnesses or anyone with any information is asked to call police on 101 or contact via Twitter @MetCC. Please quote CAD 5843/21MAY