Of all the fads to sweep the Internet, this one is one of the more dangerous.

An unidentified teenager in Lexington, Kentucky recently set himself ablaze while joining the 'fire challenge,' a trend in which people set themselves on fire on video.

The boy in question, 15, went to the hospital and was treated for burns. He said the videos online never show the ending. When asked what he thought would happen, he said, "I don't know, I wasn't thinking really."

The 'fire challenge' has grown in popularity over the last few years. One of the first times it was recorded was in 2012, which you can see below, as well as another video of someone trying it and an HLN discussion about it.

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