A man in his 20s was taken to hospital with internal bleeding following a crash just off the A47 near King's Lynn last night (Sunday).
Police are appealing for witnesses after a car and a motorcycle crashed near Eau Brink at 10.20pm.
Officers say the man was driving a blue Citroen C4 from the A47 towards the village on Eau Brink Road when he crashed with a motorcycle travelling in the opposite direction.
The Citroen landed in a ditch, but the motorcycle failed to stop.
There is currently no description of the motorcycle involved.
Witnesses are asked to call PC Mark Whitmore at Swaffham Roads Policing on 101.
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