door was critical to allowing for the fire to spread. >> in terms of the response we saw from the fdny, the speed in which they did things i think the courageous nature by which they did things, explain what a firefighter is dealing with when they enter a fire like this, particularly with the scale of smoke inhalation happening throughout the building. >> well the common strategy is obviously to try to locate and confine the fire, that was done relatively quickly, and then get firefighters not only on the fire floor where there's going to be the highest amount of heat and smoke, but on the floor above the fire, the top floor of the building, and then working their way down. most of the hazard is always above the fire. so you're going to need firefighters moving into every one of those floors. they were getting reports of smoke in apartments on virtually every floor. as firefighters encounter victims, they can't pass them