At 5:30am March 15, all units from the City were dispatched to 99 Cedar St. for a possible structure fire. The fire had self-vented upon arrival. Truck 1 vented the remaining windows while Squad A stretched the alley line to the third floor. Additional companies assisted in advancing the line and quickly knocked down the fire. Multiple holes in the apartment floor created a very dangerous situation. Fortunately, no one was at home at the time of the fire.