Greencastle Fire Department was dispatched to a structure fire at 508 E. Ohio St. on Wednesday. Crews were called at 10:30 a.m. when a neighbor noticed the flames. Extensive damage was done to the back of the dwelling owned by Lori Miller. None of the three occupants were home at the time of the fire. Cloverdale Township and Bainbridge fire departments along with Operation Life assisted at the scene. Red Cross has been called in to help the family. A cause for the fire has not been determined.