Police say the woman suffered a medical episode before the collision Picture: SARAH LUCY BROWN (Image: Archant)
Police have been forced to impose a rolling road block this morning after four cars collided on the A11 southbound.
Police were called at 7.39am this morning
An Audi TT, Peugeot 208, Volvo V40 and Audi q7 were all involved in the collision.
The ambulance service were called to the scene.
The injuries sustained by those involved are not thought to be serious.
The vehicles are now on the side of the road with traffic beginning to flow again.
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