Mysterious lights believed to be the festive ghosts of World War One soldiers were in fact aliens, a police detective has claimed.

Scores of villagers started to see spooky orbs floating over hills near Burton Dassett, Warwickshire, in December 1922.

The sightings were attributed to a natural phenomenon known as marsh gas or Will O' the Wisps by a local newspaper.

But amateur UFO researcher Richard Rokeby has penned a book, The Lights Upon The Hills, where he claims the witness accounts show they were actually ETs.

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