Humberside Police is appealing for a key witness who was driving a silver coloured Ford Focus in the Gunness area around the time of a serious road traffic collision which happened shortly after 8pm on Sunday, December 7.
A 20-year-old man was seriously injured in the collision when the black Vauxhall Corsa he was driving along the A18, Doncaster Road, Gunness towards Scunthorpe left the road.
A woman who was a front seat passenger also sustained minor injuries in the collision.
The injured driver was taken to Scunthorpe General Hospital with serious injuries.
Police are investigating the circumstances which caused the vehicle to leave the road and are particularly interested in tracing the driver of a silver coloured Ford Focus which was travelling towards Gunness from Scunthorpe direction.
The occupants of Ford Focus or anyone else who for information in connection with this collision is asked to call police on 101 quoting log number 512 of 07 December 2014.