Aerial pictures showing the site of the US military helicopter crash, which killed four members of the US Air Force, have been released.
An excavation team has arrived at the site of a fatal helicopter crash in Norfolk.
Military personnel and emergency services attend the scene
The HH-60G Pave Hawk came down at a nature reserve in Cley next the Sea on Tuesday night.
Aerial footage shows the extent of the damage at the wreckage site, which the BBC's says "is the size of a football pitch".
Police have warned people to stay away from the site where the helicopter came down because live ammunition is scattered across the area.
Norfolk Helicopter Crash
Norfolk helicopter crash(01 of31)
The wreckage of a US Air Force HH-60G Pave Hawk helicopter that crashed during a training exercise, killing four crew members at around 7pm yesterday, lies next to the beach at Cley-next-the-Sea, Norfolk. (credit:PA)
Norfolk helicopter crash(02 of31)
The wreckage of a US Air Force HH-60G Pave Hawk helicopter that crashed during a training exercise, killing four crew members at around 7pm yesterday, lies next to the beach at Cley-next-the-Sea, Norfolk. (credit:PA)
Norfolk helicopter crash(03 of31)
RAF Lakenheath where the US military helicopter that crashed in Norfolk had come from, the investigation into last night's Pave Hawk crash is being hampered by the fact that it was carrying munitions, meaning that bullets are scattered around the scene. (credit:PA)
Norfolk helicopter crash(04 of31)
The wreckage of a US Air Force HH-60G Pave Hawk helicopter that crashed during a training exercise, killing four crew members at around 7pm yesterday, lies next to the beach at Cley-next-the-Sea, Norfolk. (credit:PA)
Norfolk helicopter crash(05 of31)
RAF Lakenheath where the US military helicopter that crashed in Norfolk had come from, the investigation into last night's Pave Hawk crash is being hampered by the fact that it was carrying munitions, meaning that bullets are scattered around the scene. (credit:PA)
Norfolk helicopter crash(06 of31)
The wreckage of a US Air Force HH-60G Pave Hawk helicopter (seen right) that crashed during a training exercise, killing four crew members at around 7pm yesterday, lies next to the beach at Cley-next-the-Sea, Norfolk. (credit:PA)
Norfolk helicopter crash(07 of31)
A US military helicopter that has landed near the scene at Salthouse in Norfolk following the crash of a US Air Force HH-60G Pave Hawk helicopter during a training exercise, that killed four crew members at around 7pm yesterday, near to the beach at Cley-next-the-Sea, Norfolk. (credit:PA)
Norfolk helicopter crash(08 of31)
Emergency services near to the scene at Salthouse in Norfolk following the crash of a US Air Force HH-60G Pave Hawk helicopter during a training exercise, that killed four crew members at around 7pm yesterday, at Cley-next-the-Sea, Norfolk. (credit:PA)
Norfolk helicopter crash(09 of31)
The wreckage of a US Air Force HH-60G Pave Hawk helicopter that crashed during a training exercise, killing four crew members at around 7pm yesterday, lies next to the beach at Cley-next-the-Sea, Norfolk. (credit:PA)
Norfolk helicopter crash(10 of31)
A US military helicopter that has landed near the scene at Salthouse in Norfolk following the crash of a US Air Force HH-60G Pave Hawk helicopter during a training exercise, that killed four crew members at around 7pm yesterday, near to the beach at Cley-next-the-Sea, Norfolk. (credit:PA)
Norfolk helicopter crash(11 of31)
The wreckage of a US Air Force HH-60G Pave Hawk helicopter that crashed during a training exercise, killing four crew members at around 7pm yesterday, lies next to the beach at Cley-next-the-Sea, Norfolk. (credit:PA)
(12 of31)
BEST QUALITY AVAILABLE- Emergency services at Salthouse, near to Cley-next-the-Sea, North Norfolk, after an American military HH-60G Pave Hawk helicopter, part of the 48th Air Wing of the US Air Force based at RAF Lakenheath, crashed with the loss of four lives, during a training mission outside Cley-Next-The-Sea Tuesday Jan. 7, 2014. (AP Photo/Ben Kendall, PA) UNITED KINGDOM OUT NO SALES NO ARCHIVE (credit:AP)
(13 of31)
CORRECTS TO CLARIFY THIS HELICOPTER IS NOT THE HELICOPTER THAT CRASHED - Local authorities stand near a U.S. military helicopter that landed near the scene after a U.S. Pave Hawk helicopter slammed into the coastal marshes of eastern England during a training mission, in Salthouse in Norfolk, England, Wednesday, Jan. 8, 2014. Authorities in England have cordoned off the flooded marshes to remove four U.S. Air Force crewmen who died in the helicopter crash. (AP Photo/Chris Radburn, PA) UNITED KINGDOM OUT - NO SALES - NO ARCHIVES (credit:AP)
Norfolk helicopter crash(14 of31)
A Police road block at Salthouse in Norfolk following a helicopter crash near Cley-next-the-Sea. An investigation has begun after four crew members died when the US military helicopter crashed in Norfolk on a training mission. (credit:PA)
Norfolk helicopter crash(15 of31)
A Police road block at Salthouse in Norfolk following a helicopter crash near Cley-next-the-Sea. An investigation has begun after four crew members died when the US military helicopter crashed in Norfolk on a training mission. (credit:PA)
Norfolk helicopter crash(16 of31)
A Police road block at Salthouse in Norfolk following a helicopter crash near Cley-next-the-Sea. An investigation has begun after four crew members died when the US military helicopter crashed in Norfolk on a training mission. (credit:PA)
Norfolk helicopter crash(17 of31)
BEST QUALITY AVAILABLE Emergency services at Salthouse near to Cley-next-the-Sea, North Norfolk, after a US military HH-60G Pave Hawk helicopter, part of the 48th Air Wing of the US Air Force based at RAF Lakenheath, crashed with the loss of four crew members, during a training mission outside Cley-Next-The-Sea. (credit:PA)
Norfolk helicopter crash(18 of31)
Police man a road block at Salthouse near to Cley-next-the-Sea, North Norfolk, after a US military HH-60G Pave Hawk helicopter, part of the 48th Air Wing of the US Air Force based at RAF Lakenheath, crashed with the loss of four crew members, during a training mission outside Cley-Next-The-Sea. (credit:PA)
Norfolk helicopter crash(19 of31)
BEST QUALITY AVAILABLE Emergency services at Salthouse near to Cley-next-the-Sea, North Norfolk, after a US military HH-60G Pave Hawk helicopter, part of the 48th Air Wing of the US Air Force based at RAF Lakenheath, crashed with the loss of four crew members, during a training mission outside Cley-Next-The-Sea. (credit:PA)
Norfolk helicopter crash(20 of31)
Emergency services man a road block at Cley-next-the-Sea, North Norfolk, after a US military HH-60G Pave Hawk helicopter, part of the 48th Air Wing of the US Air Force based at RAF Lakenheath, crashed with the loss of four crew members, during a training mission outside Cley-Next-The-Sea. (credit:PA)
Norfolk helicopter crash(21 of31)
Emergency services man a road block at Salthouse near to Cley-next-the-Sea, North Norfolk, after a US military HH-60G Pave Hawk helicopter, part of the 48th Air Wing of the US Air Force based at RAF Lakenheath, crashed with the loss of four crew members, during a training mission outside Cley-Next-The-Sea. (credit:PA)
Norfolk helicopter crash(22 of31)
The wreckage of a US Military Air Force Pave Hawk helicopter, partially obscured in front of helicopter right, lies on the ground in Salthouse, England, Wednesday Jan. 8, 2014, after the helicopter crashed late Tuesday killing all four crew members aboard. The Pave Hawk helicopter slammed into the eastern coast during a low-level training mission Tuesday, and authorities cordoned off the area to investigate the incident and to remove the bodies of the four U.S. Air Force crewmen. (AP Photo/PA, Chris Radburn) (credit:AP)
Norfolk helicopter crash(23 of31)
BEST QUALITY AVAILABLE Emergency services at Salthouse, near to Cley-next-the-Sea, North Norfolk, after an American military HH-60G Pave Hawk helicopter, part of the 48th Air Wing of the US Air Force based at RAF Lakenheath, crashed with the loss of four lives, during a training mission outside Cley-Next-The-Sea. (credit:PA)
Norfolk helicopter crash(24 of31)
The wreckage of a US Military Air Force Pave Hawk helicopter, partially obscured in foreground, lies on the ground in Salthouse, England, Wednesday Jan. 8, 2014, after the helicopter crashed late Tuesday killing all four crew members aboard. The Pave Hawk helicopter slammed into the eastern coast during a low-level training mission Tuesday, and authorities cordoned off the area to investigate the incident and to remove the bodies of the four U.S. Air Force crewmen. (AP Photo/PA, Chris Radburn) (credit:AP)
Norfolk helicopter crash(25 of31)
The wreckage of a US Military Air Force Pave Hawk helicopter, partially obscured in foreground, lies on the ground in Salthouse, England, Wednesday Jan. 8, 2014, after the helicopter crashed late Tuesday killing all four crew members aboard. The Pave Hawk helicopter slammed into the eastern coast during a low-level training mission Tuesday, and authorities cordoned off the area to investigate the incident and to remove the bodies of the four U.S. Air Force crewmen. (AP Photo/PA, Chris Radburn) (credit:AP)
Norfolk helicopter crash(26 of31)
The wreckage of a US Air Force HH-60G Pave Hawk helicopter that crashed during a training exercise, killing four crew members at around 7pm yesterday, lies next to the beach at Cley-next-the-Sea, Norfolk. (credit:PA)
Norfolk helicopter crash(27 of31)
US Military at the scene of the wreckage of a US Air Force HH-60G Pave Hawk helicopter that crashed during a training exercise, killing four crew members at around 7pm yesterday, which lies next to the beach at Cley-next-the-Sea, Norfolk. (credit:PA)
Norfolk helicopter crash(28 of31)
US Military at the scene of the wreckage of a US Air Force HH-60G Pave Hawk helicopter that crashed during a training exercise, killing four crew members at around 7pm yesterday, which lies next to the beach at Cley-next-the-Sea, Norfolk. (credit:PA)
Norfolk helicopter crash(29 of31)
The wreckage of a US Air Force HH-60G Pave Hawk helicopter that crashed during a training exercise, killing four crew members at around 7pm yesterday, lies next to the beach at Cley-next-the-Sea, Norfolk. (credit:PA)
Norfolk helicopter crash(30 of31)
The wreckage of a US Air Force HH-60G Pave Hawk helicopter that crashed during a training exercise, killing four crew members at around 7pm yesterday, lies next to the beach at Cley-next-the-Sea, Norfolk. (credit:PA)
(31 of31)
CORRECTS TO CLARIFY THIS HELICOPTER IS NOT THE HELICOPTER THAT CRASHED - Local authorities stand near a U.S. military helicopter that landed near the scene after a U.S. Pave Hawk helicopter slammed into the coastal marshes of eastern England during a training mission, in Salthouse in Norfolk, England, Wednesday, Jan. 8, 2014. Authorities in England have cordoned off the flooded marshes to remove four U.S. Air Force crewmen who died in the helicopter crash. (AP Photo/Chris Radburn, PA) UNITED KINGDOM OUT - NO SALES - NO ARCHIVES (credit:AP)