Detectives are appealing for information, dash-cam and phone footage after a man died when his car was involved in a collision with a convoy of vehicles that were travelling at high speed and suspected of racing along the A4.
Police were called at approximately 01:40hrs on Friday, 7 June to reports of a road traffic collision on the westbound carriageway of the A4 by the Hammersmith Flyover.
At this early stage it is believed three cars were involved in the collision.
London Ambulance Service and London Fire Brigade attended.
One man – aged in his 70s – was pronounced dead at the scene. His partner, a woman aged in her 70s has been taken to hospital where she remains in a stable condition.
Three people, two men and a woman, were arrested at the scene on suspicion of dangerous driving.
Another man who fled the scene after the collision subsequently presented himself to police and has also been arrested on suspicion of dangerous driving.
Three people have been released under investigation. One of the men arrested remained in hospital today after suffering minor injuries and will be dealt with by officers as appropriate.
There are no reports of any other serious injuries.
Enquiries into the full circumstances are ongoing.
DC Liam Kerrigan from the Serious Collision Investigation Unit said:
“Our initial enquiries have established that up to nine cars were travelling at high speed at the time of the collision. They appear to have been in convoy and may well have been racing.
“The man who tragically died was an innocent member of the public, driving home with his wife and following the rules of the road.
“We need to hear from the other drivers involved, other motorists and eye-witnesses in the area who saw what happened, or have dash-cam footage of what exactly took place at the time of the collision, or in the minutes along the A4 beforehand.
I would urge those who were driving as part of this convoy to search their conscience and get in touch with police about what has happened.”
The westbound carriageway of the A4 was temporarily closed around the scene of the collision.
Detectives from the Serious Collision Investigation Unit continue to investigate.
Anyone who witnessed the collision or the events leading up to the collision is asked to contact police on 101 or tweet @MetCC and quote CAD569/7Jun.
You can also the Serious Collision Investigation Unit on 020 8543 5157 or contact Crimestoppers anonymously via 0800 555 111.