Officers investigating a fatal car crash are appealing for a driver who was at the scene to come forward.

Doreen Swift, of Wheelwright Court in Buckland near Faringdon, died in a collision with a Renault Master Van on the B4508 about a mile from Stanford in the Vale opposite the Grey Fox Racing Stables on Wednesday, October 31.

The 79-year-old, who was in a silver Peugeot 106, was pronounced dead at the scene and a 19-year-old man has been arrested on suspicion of causing death by dangerous driving.

Police want to speak to a woman who was in a dark blue car which could possibly have been a Volkswagen Golf.

The woman stopped at the scene but left before police arrived. She spoke with a Canadian or American accent.

Anyone who witnessed the crash or has any information should contact Pc Roy Fuller based at Abingdon police station via 08458 505505 or speak anonymously to Crimestoppers on 0800 555111.