The internet is getting swept up in yet another questionable social media fad.
It's called the "Firespray Challenge." Teens are essentially making blowtorches using cigarette lighters and sprays that contain aerosol.
And a lot of the videos take place near or inside buildings.
There doesn't seem to be anything "challenging" about it. After all, how hard is it to set yourself on fire?
But if you need an expert opinion, a spokesman for the London Fire Brigade called the trend "stupid and extremely dangerous."
We're including a link to directions for using a fire extinguisher in the transcript for this video. Just in case.