A MAN driving a sports car was left seriously injured after careering into a ditch.

Police are seeking witnesses to an incident west of Steyning at 9.30pm on Sunday in which a Porsche Cayman left the road and crashed into a ditch.

It happened on the A283 Washington Road at Buncton, near Steyning, some 600 metres east of the entrance to 16th century Wiston House. 

The driver, a 43-year-old man from Harlow, Essex, was taken by ambulance to the Royal Sussex County Hospital, Brighton, for treatment. 

The road was closed until just after midnight.