Around 1.50am on 22nd December 2012, police were called to a collision involving a 37-year-old man and a vehicle on Harlequin Lane, Crowborough, East Sussex.
The vehicle left before police reached the scene. The man, who was on foot, was seriously injured and is being treated in hospital.
Police are urgently appealing for the driver of the vehicle involved in the collision to make contact with them.
Anyone who may have witnessed the collision, seen the man before the collision or who may have any information that could assist the Police is also asked to contact Sussex Police.