"ArcelorMittal is currently investigating the exact circumstances and causes of the accident and will provide more information as soon as possible," the company said in a statement. "Our deepest condolences go to the families, friends and colleagues of the victim, and our thoughts are with the injured and their families."

According to ArcelorMittal, the explosion occurred around 3:10 p.m. in the coke plant's by-products zone. The plant is part of ArcelorMittal's Gent facility in Belgium. 

The company said the injured are in stable condition.