Fire Chief Scott Chasteen confirms a fatal fire in the 600 block of N. Lincoln Street overnight. He said fire crews received the call at 12:25 a.m.
Firefighters worked for about half an hour to put out the blaze.
Investigators are from the Decatur County Sheriff's department, Greensburg Police and Fire departments, the State Fire Marshal's Office, State Police and the Decatur County Coroner.
The victim's identity is not available, pending notification of next-of-kin.