BRITAIN'S CLOSEST ENCOUNTERS - EPISODE 1

Documentary series examining the most astonishing and baffling UFO stories from around the UK.

In 1974, locals near the Berwyn mountain range in Wales experienced an earthquake and reported seeing green lights in the sky. In an incident that would become known as the 'Welsh Roswell', some claimed that a UFO crashed into the mountain and that the government tried to cover up the truth.

Originally aired on Channel 5 Television (UK) on Wednesday July 2, 2008