
Louisiana chemical plant explosion —
iReporter Ryan Meador took this photo moments after the explosion at the Williams Olefins plant in Geismar, Louisiana, as he was leaving the area on Thursday, June 13.

Louisiana chemical plant explosion —
An image submitted to WAFB shows a huge column of flame from the explosion.

Photos: Louisiana chemical plant explosion —
Police set up a roadblock as the area is evacuated.

Photos: Louisiana chemical plant explosion —
A medevac helicopter lands at a triage center set up near the chemical plant.

Photos: Louisiana chemical plant explosion —
Smoke rises behind Louisiana Gov. Bobby Jindal as he talks about the explosion.

Louisiana chemical plant explosion —
The plume of smoke from the explosion can be seen from a great distance.

Louisiana chemical plant explosion —
The Williams Olefins plant, according to the company website, produces approximately 1.3 billion pounds of ethylene and 90 million pounds of polymer-grade propylene each year.