MERCED, CA — (CNN) Five students have been stabbed at the University of California, Merced, the school announced via Twitter.

The suspect was shot and killed.

The campus has been closed, and classes were canceled, according to the university.

Two of those stabbed were transported for treatment via helicopter, the school tweeted, while the three others were treated on campus.

“All conscious,” the school tweeted about the victims.

“Campus is locked down. Do not come to campus. If you’re on campus, stay where you are,” the school said. “Though there is no active danger, getting on and off campus is difficult.”

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