Firefighters from Coos Bay, Charleston and North Bend responded to a structure fire in the Empire District Monday night, Feb. 26.  The fire was located on the 100 block of South Wasson Street.  No reports of injuries or the cause of the fire.  An investigation is underway.  News release CBFD.  On February 26, at 7:05 P.M., the Coos Bay Fire Department responded to 141 S Wasson in the Empire District on a report of a smoke and fire coming from a commercial building. First arriving units found a two story commercial building with heavy smoke and fire showing. The structure that was next door to the fire was less than one foot away. Due to the size of the fire and the exposure, mutual aid was requested from North Bend Fire and Charleston Fire.  Fire suppression activities lasted nearly 6 hours. Members of the Coos Bay Fire Department remained on scene throughout the night. The Fire Investigation Team will gather at the site to resume the investigation Tuesday morning. At this point the fire is still under investigation. A total of 35 firefighters and 5 engines, 1 ladder truck, 1 rescue, and 3 staff vehicles responded to the scene. The Coos Bay Fire Department was assisted at the scene by North Bend Fire Department, Charleston Fire Department, Coos Bay Police Department, Bay Cities Ambulance, Pacific Power, and Coos Bay/North Bend Water Board.