A massive explosion and fire at the Chalmette Refining facility in Chalmette sent a large plume of smoke into the air on Friday, rattling nearby neighborhoods and prompting emergency response measures across the area.
According to FOX 8 Local First, residents reported hearing a loud blast before thick black smoke could be seen rising from the refinery complex. Videos shared online showed flames and smoke moving high above the industrial site as sirens echoed.
Schools locked down, roads temporarily shut
The incident triggered temporary road closures near the refinery as emergency crews responded to the scene. St. Bernard Parish spokesperson Kim Gritter told local media that law enforcement had initially blocked traffic in the area, though “all lanes near the refinery have reopened” with officers continuing traffic control operations.
Some nearby schools were reportedly placed on lockdown as a precaution while authorities assessed the situation and monitored air quality concerns following the explosion.
Authorities said all refinery personnel have been accounted for and no injuries were immediately reported after the blast.
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First responders managed to contain the fire, and officials described the situation as “stable” as crews continued monitoring the refinery site.
Emergency teams remained at the scene Friday as investigators worked to determine what caused the explosion.
Videos show towering smoke plume
Social media footage from residents in and around Chalmette captured the moment thick smoke spread across the skyline after the explosion. Witnesses described windows shaking and hearing a thunder-like boom shortly before the fire became visible.
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Officials have not yet released details on the exact source of the explosion inside the refinery complex.
The cause of the refinery explosion remains under investigation. Authorities have urged residents to avoid the immediate area and follow guidance from local emergency officials as crews continue response operations.
The situation remains developing.

