'Never seen anything like that': Mysterious black ring spotted in the sky

A black ring in the sky has slowly disappeared before shocked witnesses, raising questions about its origin.

Frankie Camren was riding in Bonner Springs, Kansas, when he saw something that made him stop and pull over.

"Can somebody tell me what is this?" he said in a video on social media.

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"I have never seen anything like that in my life.

"That is just weird. I'm not kidding here, this is real."

It was a black ring hovering over a suburban road. But, within moments, it dissipated.

"Tell me that is not freaking weird," Camren said.

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FOX Forecast Centre's meteorologists explained the sighting is likely a smoke ring that was the result of an explosion.

They likened it to a mushroom cloud.

A similar black ring was spotted in the sky in Seattle on March 29.

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