VILLANOVA, Pa. - Villanova University was the center of a major response effort after false 911 reports of an active shooter on campus. Delaware County officials gave an update Friday morning with more details on how the events of the "cruel hoax" unfolded.

What we know:

Delaware County's Department of Emergency Services reportedly received a call at 4:33 p.m. about a man with an AR-15-style weapon on campus at Villanova University.

Multiple calls followed, in which gunshot-like sounds were heard in the background, leading to a swift response from law enforcement and emergency services.

At 5:06 p.m., a call reported a gunshot wound, which also proved to be unfounded. By 6:32 p.m., the shelter in place order was lifted, confirming no threat was present.

The backstory:

Pennsylvania

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