TikTok is full of entertaining cat videos, humorous dances, and yes, even challenges -- the famed ice-bucket challenge has returned and is promoting mental-health support. But now a dangerous TikTok challenge is spreading through the short-form video app and through schools across the US.

On the social media app TikTok, teenagers are sharing videos of school-issued Chromebooks spewing spoke. WCCO’s Marielle Mohs explains how schools are trying to stop the social media stunt.