The A47 Acle Straight has been closed following a two-car crash.
The closure affects the A47 Acle Straight near Halvergate Road.
Diversions are being set up and police have asked motorists to please use a different route.
Norfolk fire crews have attended and have assisted one person from a vehicle.
Congestion and delays can be expected in the area between the A1064 Acle roundabout and the A149 Acle New Road Runham roundabout.
More details to follow.
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