'Flying saucers' joke by aircraft engineers mobilised the military in southern England in 1967. BBC



See video footage of the hoax here...

http://www.bbc.co.uk/kent/content/ar..._feature.shtml

A sketch of UFO in Scotland, newly released by the National Archives. Photograph: The National Archives/PA

A "war of the worlds" rag week hoax by aircraft engineering apprentices was treated as a real alien invasion of Britain