A delivery driver suffered head injuries in a hit and run.
The victim had made a stop in Dark Lane, Ogston, Alfreton, when he was hit by an unknown vehicle while walking back to his van.
The driver did not stop at the scene.
The delivery driver was taken to Chesterfield Royal Hospital where he was treated for a head injury.
Officers would like to speak to anyone who witnessed the incident or has any information about the driver that left the scene.
It happened at about 9pm on Monday, April 29.
Anyone with information should contact Derbyshire police on 101.
