The A1(M) is currently closed in both directions between Stevenage and Welwyn as the emergency services deal with an accident.
Police were called at 11.08am this morning to reports of a single vehicle collision.
The accident happened on the southbound carriageway between Junction 7 for Stevenage and Junction 6 at Welwyn.
The car is currently on the hard shoulder after it apprently collided with a tree.
Fire services are on scene as well as the air ambulance which has landed in a field nearby.
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