According to officials, Sierra College in Rocklin, California was evacuated following a bomb threat. Campus officials reported that a possible bomb threat and armed intruder led to the evacuation of the college campus on Monday evening but classes are slated to be resumed on the usual time on Tuesday.

Sue Micheals, public information officer at Sierra College said that someone on campus had accidentally overheard the threat and informed Greg Murphy, the community college district police chief who decided to evacuate the college as a precautionary measure. Hundreds of evening courses students were asked to leave their classes and evacuate the campus to help the police conduct their search. Micheals also said, “Incident command has been activated. Classes have been canceled. The campus has been evacuated and Rocklin Police Department is on campus.”

Sierra College Rocklin campus police said they had received a call a 5:55 pm on Monday from someone who claimed to have accidentally heard a conversation that related to bombs in the campus and armed intruders. At 11:20 pm the Sierra College Police Department aided by the Rocklin PD, Rocklin Fire, and Roseville PD finished a search of the evacuated Rocklin campus but found nothing. The campus was then reopened and classes are to resume from Tuesday. The Rocklin College Incident Command Team said, “As always, if you notice anything of a suspicious nature, notify Sierra College Police immediately at (916) 660-7120.”

According to Rocklin College campus police, they had worked in tandem with Rocklin police, Rocklin Fire and Roseville Police to ensure that the campus was secure.

Monday was the 10th anniversary of Colorado’s Columbine High School massacre.