The Federal Bureau of Investigation and the Bureau of Alcohol, Tobacco, Firearms and Explosives have issued a safety advisory to all colleges and universities in the Philadelphia area about a possible threat on Monday.
The threat surrounded a social media posting that threatened violence at an unnamed university in the Philadelphia area.
The FBI and ATF have denied knowledge of any specific threat. In response to the threat, campuses have increased police, security officers and CCTV patrol, according to advisory alerts from the University of Pennsylvania and Drexel University.
According to anadvisory alertfrom the University of Pennsylvania, the violence is threatened to occur at 2 p.m. on Oct. 5.
The threat comes days after a shooting at the campus of Umpqua Community College in Oregon on Oct. 1, where nine people were fatally shot and another nine were injured.