United Kingdom, March 24 -- Michael Sheen is "fairly certain" he saw a UFO as a child.

The 'Good Omens' actor was told from a young age that his hometown of Port Talbot had attracted a number of alien sightings, and he told how he saw a "phalanx of light" when he was on his way home from school one day, but didn't tell anyone what he'd spotted until it had disappeared, so was met with disbelief.

Speaking on the 'Scarred For Life' podcast, he said: "When I was about 12, I was coming home from school. I used to go on the school bus and it would drop me off at the end of the road.

"And I would walk up my to my house and as I would turn up the drive to my house, to my right was the edge of the mountain and behind me was the town and going ...