A UFO sketch by a witness following a 1993 sighting

(CNN) — An alien with a lemon-shaped head and a jazz-themed encounter with a UFO at the Glastonbury Festival are among hundreds of UFO encounters detailed in the latest batch of documents released Monday by the UK’s Ministry of Defence.

“Fourteen files, containing over 4,000 pages of UFO sightings from 1981 to 1996, have now been placed on Britain’s National Archives database and are publicly available online,” reports CNN.

“The sightings range from lights in the sky to close contact with aliens, and the files contain detailed analysis on some of the UK’s most popular cases — a number of which remain officially unexplained,” reports CNN.

“In one incident in 1995, two men in their 20s from Staffordshire, central England, told police they saw an alien with a lemon-shaped head descend from a hovering UFO and tell them “We want you; come with us,” reports CNN.

“In another sighting recorded by defense officials in 1994, two women at the Glastonbury music festival reported seeing a UFO floating above the jazz stage,” reports CNN.

This latest release of documents represents the fourth set of UFO files released since 2008 as part of a three-year project in conjunction with the National Archives.

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