The New Year’s Day inferno that ripped through a crowded bar in southern Switzerland, killing at least 40 people and injuring 119, spread so rapidly because of what is known as a flashover, local ...

The fatal fire that engulfed a Swiss bar on New Year's Eve would likely have killed even a firefighter in full protective gear — let alone the hundreds of young people freely celebrating inside. At ...

Authorities probing a fire that killed dozens at a Swiss ski-resort bar say it appears to be a textbook case of what fire experts call a flashover. Investigators in Crans-Montana believe flames at Le ...

A flashover is an event where an entire room is rapidly engulfed in flames. By John Yoon The cause of the fire that left dozens dead at a bar in Switzerland in the early hours of Thursday is still ...

Pittsburgh fire Capt. Brian Tarbuck watched smoke billow from a rust-red shipping container as he described how the first responders training inside could spot the telltale signs of an impending ...