A west side structure that was being demolished unexpectedly collapsed on Thursday afternoon, injuring three workers. The collapse occurred at 12:39 p.m. at a building that used to be a cooler, owned by T. Marzetti Co., located at 50 N. Glenwood Ave. Workers from Loewendick SG & Sons were preparing to tear down the building when it collapsed, 10TV’s Andy Hirsch reported. According to the Columbus Division of Fire, two men were trapped on the roof and one man was found underneath a portion of the building.