A bizarre video which conspiracy theorists believe shows a military jet being 'chased' by a UFO has sparked speculation online.
In the footage, the mysterious, saucer-shaped object emerges from behind the plane's contrails and appears to follow the aircraft.
It then eventually overtakes it.
The cameraman was reading at home when they zoomed in to capture the bright object flying near the jet in the skies over Lincoln, New Hampshire.
They said: "I was reading on my deck around 7 o'clock.
"I am told that military pilots train in the mountains around where I live and I've always enjoyed seeing them fly through."