A man has died and three others have been injured after a car overturned on the M4 in London.

The incident happened near the eastbound Cranford Park Interchange just after 11.40am yesterday (October 29).

Emergency services attended and found four people, who were all travelling in a Mercedes, injured.

A man in his 20s, a passenger in the rear of the car, was pronounced dead at the scene. 

Police are in the process of informing his next of kin.

Two other men, also thought to be in their 20s, were taken to hospital with life-threatening injuries.

A fourth person was treated at the scene for minor injuries before being taken to hospital.

Closures were put in place on the M4 as the incident was dealt with but it has since reopened.

Anyone with dashcam footage and any witnesses yet to speak with police are asked to call 101 quoting CAD 2906/29Oct.