PRINCETON - Princeton's Department of Public Safety issued an all-clear message Tuesday night after a report of gunshots at the university's Nassau Hall.

A search of the building turned up no evidence of any gunfire. No one was hurt.

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The report came in at around 7:55 p.m., prompting officers from the West Winsor, Plainsboro and Lawrence police departments, as well as the Mercer County Sheriff to respond.

Campus operations returned to normal at 10:30 p.m.