Royal Air Force RAF pilots shot down a UFO that was threatening Britain and Whitehall covered it up, according to a new book “The Berwyn Mountains Incident Revealed”, penned by Sven Sven Lumley.Lumley claims that soldiers took the wreckage to be analyzed at a secret location after the alien craft was blasted out of the sky over north Wales in 1974, Daily Star reported.According to Lumley, government officials hushed up the incident for fear of causing immense public alarm.

read more New tell-all book reveals how RAF shot down UFO in 1974 – The Times of India.