The road is currently closed in both directions and will remain closed for a long time while emergency services, including police, fire, ambulance and the air ambulance attend the scene. Paramedics are currently assessing casualties.
Two cars and a lorry were involved. The lorry is across the road and has lost its load of stones.
The area is gridlocked and drivers are advised to avoid the area.
Incident 144 of 9 January refers.