 Now on updates this morning on that massive fire at a four-story apartment building in southeast D.C. Tuesday this week. Investigators in this case say illegal fireworks set off that blaze on the top floor of the Oxford Manor Apartments. They're ruling the fire an accident this morning. D.C. Fire and EMS officials say a second-floor balcony went up in flames after kids were apparently seen playing with Roman candles this week. The fire quickly spread upwards into the attic and roof and engulfed the next-door building.