CNN 's Jason Hanna contributed to this report . Thursday 's blast at Williams chemical plant in Geismar also injured more than 100 . CEO : We work for years on ensuring safety , so this is hard to take . Police : `` No threat to the public of any toxic chemicals being in the air '' we are working with authorities and will continue our investigation into what caused it.
Thursday 's blast at Williams chemical plant in Geismar also injured more than 100 . CEO : We work for years on ensuring safety , so this is hard to take . Police : `` No threat to the public of any toxic chemicals being in the air '' we are working with authorities and will continue our investigation into what caused it.