The second fire involved hazardous materials, and I was called on to decontaminate firefighters by hosing them off after they left the fire.
If a fire involves a chemical compound the chances are it can be more toxic.
The fire of unknown origin initiated below the passenger floor and eventually involved the passenger cabin.
Class B fires include those fires involving flammable liquids like fuel.
The fire involved some 4,000 to 6,000 tonnes of fuel in storage cells, two of which were described as "well alight".
He said that fire involved the fryer unit that inspectors believed was involved in today's blaze.
The fire starts here on the tile floor, and involves the curtains.
The fire involved the cables for five minutes, and 16 essential control cables were damaged.
The fire had fully involved the new logs I'd put on, and the flicker of it on the dark windows made the room seem nearly antic.
The fires in Yellowstone and surrounding areas have cost $104 million to fight and involved nearly nearly 8,000 firefighters.