A 36-year-old woman has died following a multi-vehicle collision on the M4 last night (Sunday).
At around 8.45pm, there was a collision involving a silver Volkswagen Touran, a black Jaguar XF, and a white Volkswagen Transporter between the entrance and exit slip roads of Membury Services.
The female passenger from the Volkswagen Touran died at the scene. Her next of kin have been informed but formal identification has not yet taken place.
A four-year-old child from the Volkswagen Touran is currently in a critical condition and remains in hospital. A two-year-old child also from the Volkswagen Touran sustained minor injuries. The driver remains in hospital with serious injuries.
Two occupants from the Jaguar were also taken to hospital. One has been kept in for observations; the other has been released with minor injuries.
The occupants of the Volkswagen Transporter were taken to hospital and have been discharged.
Senior Investigating Officer, Richard Thorpe of the Serious Collision Investigation Unit based at Three Mile Cross, said: "We are appealing for witnesses following this collision in which a woman has sadly died.
"We are appealing for anyone who may have seen the collision or has information about it to contact us."
If you have any information about the incident please call the 24-hour Thames Valley Police enquiry centre on 101 quoting URN 1487 3/7/16.
If you do not want to speak directly to the police you can contact the independent charity Crimestoppers anonymously on 0800 555 111. No personal details are taken, information is not traced or recorded and you will not go to court.