Fairfield, Ohio – An early morning industrial fire and explosion injured two and triggered a hazmat response.
At approximately 3:30 a.m. Saturday, the Greater Cincinnati Hazardous Materials Unit was activated following a large fire and explosion at Koch Foods, located at 4100 Union Road in Fairfield, according to the Butler County Sheriff’s Office.
Initial reports indicated the fire was contained by responding fire personnel. Two individuals sustained burn injuries. Due to the potential release of hazardous materials, authorities issued a precautionary two-mile shelter-in-place order for the surrounding area.
The Butler County Sheriff’s Office Emergency Response Services team, operating as part of the regional hazmat unit, responded to the scene and assisted with interagency coordination and air monitoring operations throughout the affected area.
Officials said the ammonia source involved in the incident was successfully shut off to the building. Air quality readings were later determined to be safe, and the shelter-in-place order has since been lifted.
The Sheriff’s Office stated the response underscored regional coordination between local fire departments, emergency services, and hazmat specialists trained to manage large-scale industrial emergencies.
The incident may have temporarily impacted early morning commuters and shift workers in the Union Road corridor while emergency crews secured the facility.
Authorities have not released additional details about the cause of the explosion. The investigation remains ongoing.
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