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BOCA RATON, Fla. -- Florida Atlantic University issued an 'armed intruder alert' Thursday afternoon.

According to University Press, FAU's official student-run paper, the university's alert system has put out the following: "Suspect is a black male wearing white pants/shirt. Approximately 5'10", muscular build."

And "All of the buildings are locked down until the officers can clear them one by one," University Press quotes FAU Police as saying.

The intiial alert reads:

Armed intruder on Boca Campus, Arts and Letters Building 9, today.

An unauthorized armed intruder has been reported in Arts and Letters Building, Bldg 9. Remain alert. Avoid area. Emergency personnel have been called and are on scene handling the situation. Follow police instructions. Those off campus are advised to stay away until further notice. If you have information relevant to this emergency, call University Police at 911.

The school has also posted an alert on its Facebook page.

Palm Beach State College's Boca campus is also on lockdown because of its proximity to FAU, according to its Facebook page.