Four people have been injured in a two-vehicle crash on the A148 at Fakenham this morning.
Emergency crews were called to the scene, between Trap Lane and Water Moor Lane, at around 10.45am today.
One person had to be cut free from the wreckage by firefighters and four people have been taken to hospital for treatment.
The road remains closed in both directions while investigations continue.
Anyone who saw the crash, or who has information about it, is asked to contact police on 101.