Victims who collapse away from a fire generally die from carbon monoxide, which, pumped out in great volume by flashover fires, can kill in just a few breaths. (discovermagazine.com)
REALITY: When a fire reaches flashover — the point at which an entire room ignites — extreme radiant heat will produce burn marks or even burn holes in the floor.. (discovermagazine.com)
But rather than being produced by a liquid, the markings had been burned into the floor by the radiant heat released during flashover. (discovermagazine.com)