Two cars were involved in a crash in Clover Hill Road in the Bowthorpe area.
The crash happened after 6.30pm and police, fire and ambulance crews attended.
Norfolk Fire and Rescue Service used hydraulic equipment to rescue people from the vehicles.
There is currently congestion in the area.
Norfolk Police have been approached for more information.
For up-to-date information about the county's roads, visit our LIVE Norfolk traffic map.
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