Emergency services are attending a crash on the A47 Thickthorn roundabout (Image: Archant)
Traffic is building near Norfolk’s busiest roundabout after an accident saw a car roll over.
An accident on the A11 at the Thickthorn roundabout has seen tailbacks forming on the A47.
Emergency services are on scene as delays are forming on both of the major roads.
A spokesman for Norfolk Police said: "We are attending an incident on the Thickthorn roundabout after a driver fell unconscious at the wheel and collided with other vehicles.
"The car rolled 2-3 times, we are waiting on recovery to take place."
The AA reports traffic delays on the A11 northbound and at the Thickthorn roundabout on the A47.
No one was seriously injured and the incident is ongoing.
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