An Explosion Tore Through A Chemical Plant In Geismar, Louisiana On Thursday, Injuring 33 People

A large fire burns at the Williams Olefins chemical plant in Geismar, Louisiana

The blast created a huge fireball and column of smoke when it hit. About 600 people were working at the plant at the time; the fire was still burning three hours later, state police said.

There were no immediate reports of fatalities.