A van driver is in hospital with serious injuries after crashing into the back of a parked police car.

The van was travelling on the A47 in Terrington St John, near King's Lynn, on Thursday afternoon when it hit the back of the stopped car.

Officers were in the area guiding traffic around a broken-down car before the crash at 4.15pm.

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The driver of the van was taken to the Queen Elizabeth Hospital for further treatment and his injuries are believed to be serious but not life-threatening.

Norfolk Constabulary has referred itself to the Professional Standards Departmen, which is said to be "standard procedure".

The major road was closed for several hours with police posting on X about the closure at 5.30pm.

More than six hours after the crash at around 10.30pm, the road was reopened.