The Spokane Fire Department and the Spokane Police Department are investigating the cause of a fatal residential fire that occurred early Saturday morning. At approximately 3:45 a.m. on Saturday, the SFD responded to a residential structure fire in the 1900 block of W. Fairview Ave. One of the occupants of the home indicated there was another person unaccounted for. During the interior search, firefighters were successful in locating the remaining occupant within minutes. Medical efforts to revive the patient on scene were unsuccessful. The other occupant of the home was treated and transported to a local hospital for further medical care. The patient’s status is unknown.