Emergency services were at the scene of a two-vehicle crash on the A47.
Police were called at around 3.45pm to a collision on the A47, eastbound towards Norwich, on the Hardwick roundabout in King's Lynn.
Ambulance crews were also called to the scene.
Motorists were facing traffic delays at the time of the incident.
A recovery team was sent to clear the road.
Injuries are not yet known.
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