A 38-year-old man has sustained life-threatening injuries in a crash at a Doncaster roundabout.
A black Honda was travelling along Lakeside Boulevard, Doncaster, towards Bawtry Road at about 3.20am.
The Honda collided with the roundabout at the junction with Gliwice Way, but no other vehicle is thought to have been involved.
The 38-year-old driver of the Honda remains in hospital with life-threatening injuries.
Anyone who witnessed the collision or has any information is asked to call police on 101 quoting incident number 194 of August 8, 2015.