Four people are believed to have been
killed when a helicopter crashed, police have said.
The aircraft came down in Cley Next The Sea in north Norfolk, off the east coast of England. Emergency services are at the scene with a 1,200ft (400m) area cordoned off.
The helicopter is an HH-60G Pave Hawk, based at RAF Lakenheath in Suffolk, a spokesman for the USAF confirmed.
The aircraft usually carries a four-man crew on board, he said.
Police said residents can stay in their homes but pedestrians and motorists are being diverted away as there is live ammunition on board.
Six appliances from Norfolk Fire Service are currently in attendance, including four pumps, a water carrier and an environmental protection unit.
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