Police are appealing for information following a fatal collision in Sutton.
Police were called at 20:28hrs on Friday, 26 December following reports of a blue BMW in collision with a female pedestrian on Middleton Road, Sutton.
Officers and London Ambulance Service attended the scene. The woman, aged in her early 30s, was taken to St George's hospital where she died on Sunday, 28 December.
Anyone who witnessed the collision is asked to contact the appeal number on 020 8543 5157.
The male driver of the BMW was arrested on suspicion of causing serious injury by dangerous driving and has since been bailed pending further enquiries.