Police are investigating after a 17-year-old died following a car accident.

A teenage girl has died four days after being involved in a car accident in Northolt.

The 17-year-old was in collision with a blue Toyota Aygo car in Petts Hill, at the junction with Wood End Lane.

She was taken to hospital for treatment for head injuries following the accident just before 1pm on Friday, but died yesterday afternoon.

Next of kin have been informed and a post mortem will be scheduled in due course.

The driver of the car stopped at the scene.

Officers from the Met Police’s road death investigation unit based at Alperton are investigating.

DC Jim Hastings said: “I would appeal to anyone who was in the area of Petts Hill around the time of the collision to come forward and speak to our officers.

“We are trying to build up a picture of the events leading up the collision, and of the collision itself.

“If you saw or heard anything, no matter how insignificant it may seem to you, please contact us as your information may prove vital in piecing together the events of this tragic incident.”

No arrests have been made so far. Anyone with information call 0208 842 1817.