HUNDREDS of UFO sightings by Britons, including one who developed a skin condition after a supernatural encounter, emerged in files released today which also showed Winston Churchill's interest in the issue. The most unusual of the newly declassified Ministry of Defence files tells how a man in Ebbw Vale, south Wales, claimed his car was surrounded for five minutes by a "tube of light'' in 1997. The man, who reported the incident to police, was sick the next day and also developed a mysterious skin condition. "First sighting seemed like a massive star moving towards the car,'' the previously top...