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

Athlete Nayeli Clemente died after participating in a distance running challenge in 96-degree heat. Here's what you can and can't pack in your carry-on and checked luggage, according to the TSA's official list. The Canadian actor found "joy" in countering the U.S. president's "unserious" annexation talk.