A fire at the Karl and Virgina Harmony home, 3106 26th St., did extensive damage Tuesday afternoon, Great Bend Fire Chief Mike Napolitano said. Virginia Harmony was the only one home at the time and got out safely.She was inside the house and heard popping and crackling and opened the door to the attached garage, where she discovered the fire shortly before calling 911 at 4:52 p.m.Firefighters found heavy smoke coming from the garage, with fire showing through the door and windows, Napolitano said. “The crews make an aggressive attack on the garage fire.”