Subscribe to Discovery UK for more great clips: https://bit.ly/3wjYPAU One night, witness Ava Groves notices a strange string of lights in the sky. Could this be a confirmed UFO sighting? #AlienEncountersFactOrFiction #DiscoveryUK 🇬🇧 Catch full episodes of your favourite Discovery Channel ...

Subscribe to Discovery UK for more great clips: https://bit.ly/3wjYPAU A boat captain based in LA has video footage of lights in the sky confirmed as UFOs. #AlienEncountersFactOrFiction #DiscoveryUK 🇬🇧 Catch full episodes of your favourite Discovery Channel shows on discovery+: ...