Students and staff were advised to shelter in place as authorities scoured the campus for the potential threat.

A false call for an armed shooter triggered a massive police response at Clarement McKenna College; L.A.'s second 'swatting' incident in two days

The Claremont Police Department received an emergency call from an unknown person stating they were holding someone captive in a restroom at the college campus. They also said they had a bomb and were going to walk around with a rifle and shoot anyone they saw on campus, according to Claremont police.