British officials say they believe the truck originated in Bulgaria and arrived in the U.K. over the weekend. A man from Northern Ireland is in custody.

Starting to vape is easy, but quitting a nicotine habit can be tough, teens are finding. Some vaping cessation programs have begun to reach out to teens where they live — on their phones.

Fertilizer runoff is fueling the toxic algae bloom in the Gulf of Mexico. Farmers could help by growing crops in rotation to reduce the need for fertilizer. But it's unclear who will buy them.

Two undecided voters ask first-time presidential hopeful Andrew Yang about his universal basic income "freedom dividend" proposal.