CNN's Sarah Dillingham, Carma Hassan, Mariano Castillo, Joe Sutton and Steve Brusk contributed to this report.

CNN: Southern storms kill 2, unleash damaging tornadoes

Ahlers, Alona Rivord, Miguel Susana, Steve Brusk and Lynn Lamanivong contributed to this report.

CNN: New Detroit scare declared 'nonserious'

CNN's Michael Martinez, Kate Bolduan, Steve Brusk and Kyung Lah contributed to this report.

CNN: Teacher talks armed student into giving up, police say