Police are appealing to anyone who may have witnessed a serious collision in Sutton-in-Ashfield in the early hours of this morning.
A car collided with a lorry at the junction between Skegby Lane and Kings Mill Road East just before 2am.
A man suffered serious injuries and is being treated at Queens Medical Centre.
Officers are particularly interested in speaking to the owner of a light coloured car that pulled up at the traffic lights and may have seen what happened.
If you have any information that could help, please contact Nottinghamshire Police on 101 quoting incident 54 of 21 October 2016.
Alternatively you can contact Crimestoppers anonymously on 0800 555 111.