Apartment Building, Residential Apartment balcony fire extinguished by sprinklers (Columbus, IN) November 5, 2014 viking210 A second-floor balcony at Riverstone Apartments was damaged after discarded smoking materials in a plastic container ignited a wooden flower box, Columbus firefighters said. The fire was reported at about 5 p.m., fire investigator Matt Noblitt said. The apartment’s sprinkler system immediately kicked on, dousing the fire and preventing damage, Noblitt said. The fire was out when firefighters arrived.