A cat had a laser pointer attached to its head and then spent an hour chasing the red dot it was projecting.
Alex Burkovskiy taped the pointer to the head of his pet cat Noah.
He then made a video of the cat chasing the red dot around the room, thought to be in America.
He told viewers on YouTube: "He was chasing it for over an hour.
"No cat was harmed during the making of this video."
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