The TBI is investigating a fatal blaze that took place late Sunday night at 145 Buttermilk Street in the Doyle community of White County. Firefighters arrived to find a building fully engulfed and a nearby house on fire. Reports indicate crews put it out and discovered the body of a man inside. An autopsy has been ordered to determine the exact cause of death and the identity of the deceased will be released after next of kin is notified. No further information was initially released.