"You're really powerless. It definitely felt powerless to be sitting there, barricaded and you have no idea where your friends are and you have no idea what's going on," says student Tarun Ramkumar.

University of South Carolina police say an active shooter alert issued on campus Sunday evening was the result of a swatting hoax. Here's what we know.

A public safety alert warning of an active shooter panicked the University of South Carolina Sunday. Police found no evidence of a shooter.