[P]olice are currently attending a road traffic collision on the A19 southbound involving 12 vehicles.
The collision happened at about 9:15am this morning (Tuesday).
A spokesman for Durham Police said: “Both carriageways are currently closed and the Great North Air Ambulance Service is also attending the scene.
“There is currently no estimated time for the road to be re-opened, and it is advised that alternative routes are used.”