State police man a roadblock as smoke burn off from a flare at a chemical plant fire is seen about twenty miles southeast of Baton Rouge, in Geismar, La., Thursday, June 13, 2013. The plant makes

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State police man a roadblock as smoke burn off from a flare at a chemical plant fire is seen about twenty miles southeast of Baton Rouge, in Geismar, La., Thursday, June 13, 2013. The plant makes highly flammable gases that are basic building blocks in the petrochemical industry. (AP Photo/Gerald Herbert) less 

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Associated Press
Sat, Jun 15, 2013 11:42 AM EDT