The threats were made against Cornell by “an unknown individual.

Ithaca Journal reports.

Cornell boosts Slope Day security after threats

Cornell University is increasing security measures for Slope Day after “unsubstantiated threats” were made against the university. Police said Wednesday they believe the threat is over, but will still increase police presence for the event Thursday.

Deputy Chief David Honan, of the Cornell University Police Department, said he could provide no further details about the nature of the threats as the investigation is active.

Cornell police are working with the FBI and state authorities to investigate the threats, Honan said.