Firefighters battle a tool shed fire Friday afternoon at the home of Tom Sidenbender, 9940 Township Line Road, Rockford. Departments from Chattanooga, Rockford, Mendon and Celina responded to a call at 2:26 p.m. with Chattanooga returning at 5:02 p.m. when the fire rekindled. Chattanooga Fire Chief Doug Brehm suspects sparks from a welder ignited a skid loader and flames quickly spread. The building and contents sustained heavy damage.