The US Air Force launched a top-secret probe into bizarre claims an alien served a witness pancakes for breakfast after landing on his drive in a flying saucer, a new book has revealed.

Chicken farmer Joe Simonton claims a flying saucer landed on his driveway and a five-foot humanoid alien served him four pancakes for breakfast.

Astonishingly, the pancakes were even sent off to be analyzed by Project Blue Book - the US Air Force's official study into UFOs in the 1950s and 60s.

Professor J Allen Hynek - who appeared in Steven Spielberg's sci-fi movie ET - was even drafted in to investigate the baffling case on behalf of the Air Force.

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