The FDNY is investigating whether fireworks are to blame for a massive fire at a Brooklyn apartment. Construction materials caught fire at the Boulevard Houses on Schenck Ave in East New York just before 7:30 p.m. on Sunday. The fire quickly escalated to four alarms after spreading to several units. Fire marshals collected a box of fireworks left in the courtyard of the building and the investigation will determine whether that was the cause of the fire. Click here to read more on abc7ny.com.