A lane has been closed on the A11 near Attleborough in Norfolk after a multi-vehicle crash.

Police say that a lane on the A11 northbound carriageway is closed causing a build-up of traffic in the area.

READ MORE: Crash on the A12 causing build up in traffic

Emergency services were called to The Stag roundabout just before 3:58pm today after a van and two vehicles collided. 

A Norfolk Police spokesperson said there were no serious injuries but an ambulance did attend. 

National Highways say there is approximately a 1.5-mile area of congestion around the scene of the crash.

Drivers have been warned of delays of over 45 minutes and warned to find alternative routes.