A man has been detained on suspicion of causing death by dangerous driving after a pedestrian died from injuries in an alleged hit-and-run accident.
Police were called to the A127 at Wickford, Essex, at 09:55 GMT where they found the fatally-injured man.
The man in his 30s is believed to have been hit by a black Range Rover Evoque.
Police have detained a man on suspicion of causing death by dangerous driving, failing to stop after a collision and failing to report a collision.
Essex Police appealed for help from anyone who saw anything suspicious in the area between 01:00 on Christmas Day and 09:55 GMT.