From Devon & Cornwall Police:
Police investigating a road traffic collision near Braunton on Tuesday 4 July are appealing for any witnesses to come forward.
Officers were called to reports of a collision involving a Ford Focus and Suzuki Swift on the A361 at Hidden Valley, near Braunton at around 11.20pm.
Both vehicles overturned as a result of the collision.
The driver of one of the cars, a male in his late teens from the Taunton area, suffered serious head injuries and was taken to Derriford Hospital. His injuries have been described as life changing.
Two other people sustained minor injuries, with one being taken to North Devon District Hospital to be checked over, as a precaution.
Local road closures were put in place while officers examined the scene. It was handed over to highways at around 7.50am.
If you witnessed the incident or have any information or dashcam footage that could help with enquiries, please contact police via our website here or by calling 101 quoting log number 754 of 4/7/23.