Photo Gallery: Williams Olefins plant explosion

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  • Photo provided by Aviation Specialist -- Crews battle a fire at the Williams Olefins Plant off La. 3115 in Ascension Parish following an explosion at the site Thursday, June 13.

  • Advocate staff photo by CATHERINE THRELKELD -- Smoke darkens the Ascension Parish sky as it pours from a fire at the Williams Olefins Plant off La. 3115. The fire was caused by an explosion at the plant Thursday morning.

  • Advocate staff photo by CATHERINE THRELKELD -- Fire billows from the Williams Olefins Plant off La. 3115 in Ascension Parish following an explosion at the site Thursday, June 13.

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  • Photo Provided by Aviation Specialist -- Crews battle a fire at the Williams Olefins Plant off La. 3115 in Ascension Parish following an explosion at the site Thursday, June 13.

  • Advocate staff photo by CATHERINE THRELKELD -- Plant workers from the Williams Olefins Plant off La. 3115 in Ascension Parish gather at East Iberville High School following a Thursday, June 13, explosion and fire at the plant.

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  • Advocate staff photo by CATHERINE THRELKELD -- Plant workers from the Williams Olefins Plant off La. 3115 in Ascension Parish gather at East Iberville High School following a Thursday, June 13, explosion and fire at the plant.

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  • Advocate photo provided by MICKEY MARCHAND -- Fire billows from the Williams Olefins Plant off La. 3115 in Ascension Parish. Louisiana State Police are at the scene of a Thursday explosion and fire at the plant, and there are a number of reported injuries.