A man in his 40s died after he was involved in a two-vehicle crash on a rural road.
Police are appealing for witnesses following the collision, which happened near Shipdham on the A1075 Dereham Road at 8.30pm on Friday, January 13.
A grey Ford Focus and a black Kia Rio were involved.
The driver of the Ford died at the scene, between Watton and Dereham.
One person from the Kia was taken to hospital with injuries described as serious but not life-threatening.
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Three other people sustained minor injuries.
Officers want to hear from anyone who witnessed the manner of driving of either vehicle prior to the collision, or has dash cam footage.
Anyone with information is asked to contact the Serious Collision Investigation Unit, quoting reference 438 of January 13 via email at SCIU@norfolk.police.uk or to call Norfolk Police on 101.
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