UFO watchers are stumped after mind-blowing footage captured a strange black shape hovering in the skies over a city in Illinois.
Aiyana, who asked that her second name be withheld, recorded the clip from the roof of her home in Chicago and is at a loss to explain it.
In her video, a long black wishbone shape can be seen hanging in the air, with both its wings ending in some sort of sphere.
Aiyana said: "I literally have no idea what it was. There is nothing comparable.
"It was a ball of some sort with two long strings or belts hanging from it."
She added: "I felt total confusion and a bit creeped out."
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