Emergency services attend the site of a helicopter crash in Cley next the Sea in north Norfolk
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Eyewitness: Helicopter 'flying extremely low' before crash

7 January 2014 Last updated at 23:55 GMT

Four people are believed to have been killed when a US air force (USAF) 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.

Brian Egan, who lives near to the crash site, told the BBC's Clive Myrie what he saw.