Backdraft Type News Today

Front of the building, knocking firefighters right off their feet. 12 people were injured, seven of them firefighters. and abcs linsey davis is on the scene there tonight. >> reporter: the fire broke out in a storefront in queens, new york, around 2:15 a.m., quickly growing to five alarms, engulfing the block. firefighters fighting flames on the roof, attempting to pry open a front door, when suddenly -- a powerful explosion, engulfing multiple firefighters in clouds of smoke, sending them scram...