Francine Blake insists she captured this picture of a UFO hovering over a circle and years of research has shown the intricate patterns can appear within seconds.

Mrs Blake, who moved to the south west of England to study the phenomena from her native Canada 28 years ago in 1987, also claims to have photographed strange lights and orbs within west country crop formations. 

Crop circles - allegedly made by landing UFOs - have been widely considered one of the world's biggest paranormal hoaxes since 1991, when hoaxers Doug Bower and David Chorley were filmed showing how they made many of the reported corn field patterns discovered across the UK.

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