Was there a US/UK UFO cover-up?
Updated on 10 July 2007
More4 News looks into whether the British and American governments routinely covered up information about UFOs.
The answer appears to be yes - to an extent, anyway.
The Ministry of Defence has said that it will start releasing thousands of secret UFO documents it has held for - in some cases - decades.
It comes as the most famous UFO incident in America - the alleged crashing of an alien craft at Roswell - celebrates its 60th anniversary with a bizarre new twist.
