Improperly discarded smoking materials caused an accidental fire in the 7500 block of 20th Ave NE in the Wedgwood neighborhood on Sunday. Firefighters responded to reports of a building fire at 5:17 p.m. and found smoke and flames coming from the back side of a mixed residential and commercial building. Firefighters cut through a fence to reach the the blaze. Residents were able to get out of the apartments on their own and there were no injuries. Residents of two apartments were displaced by the fire and there was some smoke and water damage to an adjacent building. More than 50 Seattle Firefighters responded to the fire.