A lorry crash was causing delays for drivers after it left the A47 blocked.
The crash involving the HGV and a car blocked the major road at the Hardwick Roundabout in King's Lynn.
Police were called to the scene at 12.20pm along with the ambulance service.
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Officers remained at the scene as they awaited the vehicles to be recovered.
The injuries of anyone involved are not yet known.
Traffic built in both directions with drivers facing tailbacks as far back as the River Ouse crossing.
More to follow.
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