A pilot has captured an image of two UFOs flying "in tandem" over the Grand Canyon, reports Britain's Daily Star.
The video narrator speculates that, because drones are banned over the canyon, there's something there "they're not wanting you to see."
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The footage shows a panorama of the Arizona canyon and two objects.
"They seem to be in formation and in tandem as they make their way over the famous site," the Star said.
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Thousands have watched the video, with one commenter suggesting "Alien ships!”
The report said another person shared a similar experience at the canyon.
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"I was watching my latest vlog (also in Arizona) and caught something that looked like it was cigar-shaped too."