Firefighters and school districts in Colorado are warning about a potentially dangerous TikTok challenge that has gone viral.

The Chromebook Challenge, named for Google's line of laptops, encourages students to insert metal items into the USB port on their school-issued computers, intending to create sparks, smoke and possibly a fire.

The hottest trend in Colorado schools right now is actually hot. The latest: Colorado schools are warning of a new TikTok craze in which students try to set their school-issued Chromebooks on fire by sticking metal or pencils into the charging port.