The Madison Fire Department said improperly discarded fireworks caused a fire that happened at a residence on the 500 block of West Washington Avenue Saturday morning. Firefighters received a fire call at the residence at 4:06 a.m. The fire started on the first floor of the building. Crews had extinguished the fire by 4:18 a.m. and rescued two residents that were trapped on the balcony of the second floor. All residents were displaced as a result of the fire, which caused nearly $50,000 in damage according to an incident report.