A man has died after crashing at a busy roundabout on the A140.

The man in his 50s was driving a black Vauxhall Mokka northbound along the A140 before the incident at Dickleburgh on July 11. 

The vehicle left the road at the roundabout with Norwich Road leaving the man with life-threatening injuries.

He was taken to the Norfolk and Norwich University Hospital and following a three-week battle has died. 

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No other cars were involved in the crash.

Police are now investigating the incident that happened shortly after 3pm on July 11 and are especially keen to understand the manner of driving before the crash.

Anyone who has any relevant information or dashcam footage should contact Norfolk Constabulary on 101 quoting CAD 291 of July 11.