The blaze reached Arriving flashover within one minute , causing Causation all combustible materials to burn .

Ninety seconds after the plane landed Arriving and the doors were opened Openness , the heat of the fire and fresh oxygen from the open exit doors created Creating flashover conditions , and the plane 's interior immediately became Becoming engulfed Surrounding in flames , killing Killing 23 passengers who had yet to evacuate Escaping the aircraft .

The fire started Process_start under a wooden escalator serving the Piccadilly line and , at 19:45 , erupted Process_start in a flashover into the underground ticket hall , killing 31 people and injuring 100 .