TAMPA, Fla. - A refrigerator door blew off and hit an inner pane of a double-paned window in a chemical lab at the University of South Florida.
No one was injured in the blast, which set off a fire alarm about 2:45 a.m. Wednesday.
Tampa Fire Rescue's hazardous materials team responded to the campus and determined that no one was inside the building. They also found that no hazardous chemicals spilled.
Officials say the building did not catch on fire. A fire marshal's investigator is trying to find out what caused the blast.
The building will remain closed until the investigation is complete and university officials determine it is safe for students and faculty.
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