The university, which enrolls nearly 10,000 undergraduate and graduate students, declined to make leaders available for comment, saying their focus was on students, parents, faculty, and staff.

Investigators are working to determine the identity of the person who made a fake report of an active shooter at Villanova University on Thursday.

A report of a shooter on Villanova University’s campus was a “cruel hoax,” the school’s president said Thursday.

Police are responding to a report of an active shooter at Villanova University in Pennsylvania, according a post by the Radnor Township Police Department on its Facebook page.

Such false emergency calls are known as "swatting," or calling in a large law enforcement response to a non-existent crisis. On the same day, the University of Tennessee at Chattanooga was also targeted with reports of an active shooter. Police found no threat.

Villanova senior Ava Petrosky was part of a group singing at the ceremony when she saw people in the crowd begin to run.