Police have renewed an appeal for witnesses following a crash which left a man with serious head injuries.

A black BMW hit a man on Vicarage Road, Thetford, at 3.24pm on Saturday. The man, believed to be local and in his 20s, was taken to Addenbrooke's Hospital in Cambridge.

The driver of the car was unhurt.

Anyone with information on the crash, or may have seen the BMW before the incident, should contact PC Robert Hardingham at Wymondham Roads Policing on 101.