Overview

• Fire crews were dispatched around 12:40 p.m. Sunday to the AAK plant on Seventh Street Road and found one person fatally injured after an explosion.
• Officials said the incident was tied to a hydrogen tank conversion process used to convert oils into products.
• Louisville Metro Arson and Louisville Metro Police opened an investigation, and responders secured the building's utilities before leaving.
• AAK said one colleague died, it is cooperating fully with authorities, and operations in the affected part of the plant have been shut down.
• Records show OSHA inspected the facility in February with no violations found, while nearby workers reported prior responses and nuisance odors at the site.