Motorists travelling through the Forest of Dean today are being urged to avoid the main road between Parkend and Lydney after a serious accident.
Police and emergency services are currently at the scene of a collision on the B4234 New Road close to the Norchard base of Dean Forest Railway.
It is being described as a 'very serious' incident but no details of any vehicles involved or possible injuries are currently available.
The road is closed between Lydney and Whitecroft, it is not known if access to the Dean Forest Railway is currently affected.
Gloucestershire Live understands the road is likely to remain closed for some time and diversions will be put in place.
This is an ongoing story and we will bring you further updates as we get them.
Firefighters rescued man from truck
A spokesman for Gloucestershire Fire and Rescue service confirmed firefighters had rescued the injured man from his vehicle. Three crews, two from Lydney, one from Coleford were called to the scene just after 9.26am where they found the man trapped in his truck in a ditch. They worked to free him before he was taken to hospital.
The last crew left the scene just after midday.
Air ambulance called
The Air Ambulance has been spotted at the scene, leaving about an hour ago but it is believed the injured man was taken to hospital in a road ambulance.
Latest from police
One man, believed to be the driver of a pick up truck, has been critically injured. The road remains closed.
Latest from police
The road is likely to remain closed for several hours.
We are expecting further details very soon on the vehicles involved in the crash.
This is where the road is blocked
Police have closed the road at Lydney to the south and Whitecroft to the north.
Where is the accident
The crash happened on New Road - the road between Lydney and Whitecroft. It is described as being close to Norchard, and the turning for the Dean Forest Railway
