Two Spokane families were displaced after a large fire caused heavy damage to an upper level duplex unit on Monday night. Just after 7:00 p.m., Spokane Fire Department crews responded to a structure fire near East Augusta Avenue and North Astor Street. Crews found fire involvement in the upper level of the multi-story duplex. Crews acted quickly and were able to contain the fire to the upper unit. Firefighters remained on scene to complete overhaul tasks which included checking for any remaining hotspots and removing debris.