Chemical plant explosion in Louisiana

An explosion and fire broke out at the William Olefins plant, about twenty miles southeast of Baton Rouge, in Geismer, La., on Thursday, June 13. At least one person is dead and dozens were injured.

This photo provided by Ryan Meador shows an explosion at The Williams Companies Inc. plant in the Ascension Parish town of Geismar La., Thursday, June 13, 2013. The fire broke out Thursday morning at the plant, which the company's website says puts out about 1.3 billion pounds of ethylene and 90 million pounds of polymer grade propylene a year. (AP Photo/Ryan Meador)
This photo provided by Ryan Meador shows an explosion at The Williams Companies Inc. plant in the Ascension Parish town of Geismar La., Thursday, June 13, 2013. The fire broke out Thursday morning at the plant, which the company's website says puts out about 1.3 billion pounds of ethylene and 90 million pounds of polymer grade propylene a year. (AP Photo/Ryan Meador)
This photo provided by Ryan Meador shows an explosion at The Williams Companies Inc. plant in the Ascension Parish town of Geismar La., Thursday, June 13, 2013. The fire broke out Thursday morning at the plant, which the company's website says puts out about 1.3 billion pounds of ethylene and 90 million pounds of polymer grade propylene a year. (AP Photo/Ryan Meador)
Melted portable toilets are seen at a chemical plant fire in this aerial photo about twenty miles southeast of Baton Rouge, in Geismer, La., Thursday, June 13, 2013. The plant makes highly flammable gases that are basic building blocks in the petrochemical industry. (AP Photo/Gerald Herbert)
Melted portable toilets are seen at a chemical plant fire in this aerial photo about twenty miles southeast of Baton Rouge, in Geismer, La., Thursday, June 13, 2013. The plant makes highly flammable gases that are basic building blocks in the petrochemical industry. (AP Photo/Gerald Herbert)
Melted portable toilets are seen at a chemical plant fire in this aerial photo about twenty miles southeast of Baton Rouge, in Geismer, La., Thursday, June 13, 2013. The plant makes highly flammable gases that are basic building blocks in the petrochemical industry. (AP Photo/Gerald Herbert)
This photo provided by Ryan Meador shows an explosion at The Williams Companies Inc. plant in the Ascension Parish town of Geismar La., Thursday, June 13, 2013. The fire broke out Thursday morning at the plant, which the company's website says puts out about 1.3 billion pounds of ethylene and 90 million pounds of polymer grade propylene a year. (AP Photo/Ryan Meador)
This photo provided by Ryan Meador shows an explosion at The Williams Companies Inc. plant in the Ascension Parish town of Geismar La., Thursday, June 13, 2013. The fire broke out Thursday morning at the plant, which the company's website says puts out about 1.3 billion pounds of ethylene and 90 million pounds of polymer grade propylene a year. (AP Photo/Ryan Meador)
This photo provided by Ryan Meador shows an explosion at The Williams Companies Inc. plant in the Ascension Parish town of Geismar La., Thursday, June 13, 2013. The fire broke out Thursday morning at the plant, which the company's website says puts out about 1.3 billion pounds of ethylene and 90 million pounds of polymer grade propylene a year. (AP Photo/Ryan Meador)
A chemical plant is hosed down after a fire in this aerial photo about twenty miles southeast of Baton Rouge, in Geismer, La., Thursday, June 13, 2013. The plant makes highly flammable gases that are basic building blocks in the petrochemical industry. (AP Photo/Gerald Herbert)
A chemical plant is hosed down after a fire in this aerial photo about twenty miles southeast of Baton Rouge, in Geismer, La., Thursday, June 13, 2013. The plant makes highly flammable gases that are basic building blocks in the petrochemical industry. (AP Photo/Gerald Herbert)
A chemical plant is hosed down after a fire in this aerial photo about twenty miles southeast of Baton Rouge, in Geismer, La., Thursday, June 13, 2013. The plant makes highly flammable gases that are basic building blocks in the petrochemical industry. (AP Photo/Gerald Herbert)
A chemical plant fire is seen in this aerial photo about twenty miles southeast of Baton Rouge, in Geismer, La., Thursday, June 13, 2013. Ambulances and helicopters took at least 30 people from the burning chemical plant after an explosion Thursday, officials said. Early tests did not indicate dangerous levels of any chemicals around the plant, but area residents were told to remain indoors with doors and windows closed, said Jean Kelly, spokeswoman for the state Department of Environmental Quality. (AP Photo/Gerald Herbert)
A chemical plant fire is seen in this aerial photo about twenty miles southeast of Baton Rouge, in Geismer, La., Thursday, June 13, 2013. Ambulances and helicopters took at least 30 people from the burning chemical plant after an explosion Thursday, officials said. Early tests did not indicate dangerous levels of any chemicals around the plant, but area residents were told to remain indoors with doors and windows closed, said Jean Kelly, spokeswoman for the state Department of Environmental Quality. (AP Photo/Gerald Herbert)
A chemical plant fire is seen in this aerial photo about twenty miles southeast of Baton Rouge, in Geismer, La., Thursday, June 13, 2013. Ambulances and helicopters took at least 30 people from the burning chemical plant after an explosion Thursday, officials said. Early tests did not indicate dangerous levels of any chemicals around the plant, but area residents were told to remain indoors with doors and windows closed, said Jean Kelly, spokeswoman for the state Department of Environmental Quality. (AP Photo/Gerald Herbert)
A chemical plant fire is seen in an aerial photo about twenty miles southeast of Baton Rouge, in Geismer, La., Thursday, June 13, 2013. The plant makes highly flammable gases that are basic building blocks in the petrochemical industry. (AP Photo/Gerald Herbert)
A chemical plant fire is seen in an aerial photo about twenty miles southeast of Baton Rouge, in Geismer, La., Thursday, June 13, 2013. The plant makes highly flammable gases that are basic building blocks in the petrochemical industry. (AP Photo/Gerald Herbert)
A chemical plant fire is seen in an aerial photo about twenty miles southeast of Baton Rouge, in Geismer, La., Thursday, June 13, 2013. The plant makes highly flammable gases that are basic building blocks in the petrochemical industry. (AP Photo/Gerald Herbert)

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