WEST PALM BEACH, Fla. - A HazMat team was called to a science building at Palm Beach Atlantic University in West Palm Beach, Tuesday afternoon.
They were dispatched after three security guards entered a room in MacArthur Hall and immediately reported their eyes burning.
Fifty people, including students, were evacuated as a precaution.
Crews checked the room but did not find anything hazardous.
The security guards are said to be OK.