A man is in a life-threatening condition after a three-car collision near Heathrow Airport.
The crash happened on Tunnel Road East, near to the Emirates Roundabout, at around 8:52am yesterday.
The driver of one of the cars, a man who is in his 80s, was taken to hospital where he remains in a life-threatening condition. His next of kin have been informed.
A woman in her 40s, who was driving one of the other cars, was also taken to hospital but her injuries are not life-threatening or life-changing.
Detectives from the Serious Collision Investigation Unit are appealing for witnesses to the crash.
Anyone who saw the collision or has dash cam footage is asked to call the witness appeal line on 020 8246 9820 or alternatively call 101 quoting CAD 1671/13Jul.