LAKE CHARLES, La. — A loud boom heard in Louisiana came from a chemical plant. 

News outlets report there was an explosion and fire Monday at the Sasol plant in Lake Charles. 

A spokeswoman says the fire was put out by its emergency response team. No injuries were reported. 

The explosion came from the facility's low-density polyethylene unit. The unit was in its final stages of commissioning and startup when the explosion happened. It has been shut down while the company investigates the cause. 

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