A 17-year-old boy is in hospital with life-threatening injuries after his vehicle left the road in Nova Scotia’s Richmond County.

The RCMP responded to the single-vehicle collision on Highway 4 in River Bourgeois, N.S. at 10:40 p.m. Tuesday.

Police say the teen’s car left the road, struck a culvert, and came to rest in a grassy area.

Volunteer firefighters extricated the driver from the vehicle.

The teen was taken to a local hospital and then airlifted to hospital in Halifax for further treatment.

Police say the teen’s injuries are life-threatening.

The cause of the collision is under investigation and police are asking anyone with information to contact them.