in harrisburg, pennsylvania. it started inside a row home before 8 last night. children range in age from 2 to 4 years old. it's not clear if they were all related. the fire left four other people homeless who live next door. and the authorities say the home had smoke detechors but they -- detechors, but they were -- detectors but they were not working. this is in harrisburg pennsylvania. fire in 1982 that remember took the lives of five children. so, ahead of us here at 5:-- 5:30 sherrie johnson has more details on how the fire may have started. police thought she was dead. three ...