Flashback.

In 2009, a Credit Suisse trader didn't remember to turn off her space heater over Thanksgiving break -- and this happened. No one was hurt in the fire which destroyed an entire floor (fixed income and equities trading) at Credit Suisse headquarters.

A cynic might say this is how hyperinflation will eventually start. Bernanke fails to shut down the QEternity machine and poof goes the dollar up in flames.