Officers are appealing for witnesses to a collision that happened on the Worcester Road, Malvern.
The collision happened at around 4am Sunday 16 July and involved a Silver Nissan Micra.
One person was taken to hospital with suspected life changing injuries,
Officers carrying out enquiries into the collision are appealing for witnesses, including any motorists on the road around the time of the collision with dash-cam footage.
Anyone with information is asked to contact PC Robert Gregg on 101 extension 7733404 or by email DL-HFOSTRubE@westmercia.pnn.police.ukquoting 102i from the 16 July
Alternatively information can be shared anonymously with the independent charity Crimestoppers on 0800 555 111 or by visiting www.crimestoppers-org.uk