 What set off that blaze on the top floor of the Oxford Manor apartments. They are ruling the fire an accident. D.C. Fire and EMS officials say a second floor balcony went up in flames after kids were seen playing with Roman candles this week. The fire quickly spread upwards into the attic and roof and engulfed the next door building. The fire sent two people to the hospital, including a firefighter with non-life-threatening injuries, and left more than six people scrambling to find a place to live after their homes were gutted.