Dangerous storms targeted numerous states on Tuesday afternoon, prompting immediate warnings for people to seek shelter.

Wednesday's tornadoes marked the second-deadliest day of twisters in U.S. history, leaving 342 people dead across seven states - including 250 in Alabama.

A deadly tornado picked up a school bus and hurled it onto the roof of a high school in Alabama this weekend. The brutal storm killed at least three people as it tore through the state, according ...