Fire damaged at least seven units at the Eighter from Decatur apartment complex on Business U.S. 81/287 North in Decatur. Decatur and Bridgeport fire departments as well as Decatur police responded to the fire shortly after 9 p.m. Sunday. The business route was still shut down as of 11 p.m. Fire investigators were still on the scene at that time. There were no reports of injuries. Decatur Fire Chief Mike Richardson said the fire “pretty well gutted” three units. Two more units sustained heavy fire damage and three more units sustained heavy smoke damage. The cause of the fire was not known Sunday.