A crash on a major road near Norwich is causing heavy delays.

Traffic is queuing northbound on the A11 Hethersett Bypass and a heavy police presence has been reported. 

Norfolk Police have confirmed a three-vehicle crash on the A11 and the road is closed while the vehicles await recovery. 

Eyewitnesses report having seen up to five police carsEyewitnesses report having seen up to five police cars (Image: Submitted)

Ambulance crews are on the scene. 

Eyewitnesses state having seen up to five police cars.

There is heavy traffic northbound on the A11 Hethersett Bypass There is heavy traffic northbound on the A11 Hethersett Bypass (Image: AA Road Map)

The road is currently blocked between the Thickthorn roundabout and Station Lane. 

This is a breaking story, updates to follow.