A clothes dryer is being blamed for an overnight fire at Great Lakes Institute of Technology, according to Millcreek Township Fire Department.

It was reported around 12:30 a.m. Thursday at 5100 Peach St.

Firefighters found heavy smoke throughout the building, which was unoccupied at the time, officials said.

A fire sprinkler system contained the fire within the room, but the building suffered extensive smoke and water damage, according tot he department.