A WOMAN is in hospital with potentially "life-changing" injuries and a man has been arrested on suspicion of drug driving offences after a car crashed into a wall. 

A fire crew was called to the incident in Glastonbury at 2.50am this morning (October 14), after a fire broke out in the engine. 

The A39 at the Northload Bridge roundabout in Glastonbury is currently closed due to the incident. 

First aid was given to a man and a women in the vehicle and the woman was taken to hospital in an ambulance.

An Avon and Somerset Police spokesperson said: "The A39 at the Northload Bridge roundabout, Glastonbury, remains closed today Wednesday 14 October, after a single vehicle collision overnight.

"A car collided with a wall at 2.50am causing it to collapse onto the carriageway. The road remains fully closed while officers conclude their investigations at the scene and pending recovery of the vehicle and clearance of debris from the road.

"The occupants of the vehicle, a man and a woman, were taken to hospital. The woman remains in hospital with injuries not currently believed to be life-threatening but potentially life-changing.

"A man in his 30s is now in police custody having been arrested on suspicion of drug driving offences and causing serious injury by dangerous driving.

"Anyone who saw the collision or who has any information which could help the investigation is asked to call 101 quoting reference 522022755."

A spokesperson for Devon and Somerset Fire & Rescue said: "One fire engine from Glastonbury was quickly mobilised to the scene and on arrival, crews confirmed a single vehicle collision with a wall.

"Crews also confirmed a small fire within the engine compartment following the collision.

"Crews extinguished the fire using one attack jet and made the vehicle safe with small tools.

"One casualty was conveyed to hospital via land ambulance.

"Police were also on scene."