A man in his twenties is seriously ill in hospital after a road accident near Downham Market.
He was driving a black Land Rover Discovery on the B1160 near Southery when he collided with temporary traffic lights and signs sealing off a hole in the road.
The vehicle then hit a tree and the driver is in a serious condition at Addenbrookes Hospital in Cambridge.
Anyone who witnessed the incident or the manner of driving of the vehicle prior to the collision is asked to contact PC James Lister at Swaffham Police Station on 101 or email firstname.lastname@example.org quoting reference 252 of 15 December.
Alternatively contact Crimestoppers anonymously on 0800 555111.