A ' UFO expert' says that he prevented a hoax alien invasion that was so organised it would have sparked mass panic.
Nigel Watson has written several books about aliens and is an expert on the subject, so he was alarmed by what he read online, as the Daily Star reports.
On a public forum for drone pilots, there was a plan for people to adorn their crafts with lights and fly over major cities in a coordinated 'invasion' to fool people on April Fools Day.
