“Workers at the factory extinguished the majority of the fire prior to our arrival,” Smith said. “We found magnesium was burning, so we used their extinguishers, Class-Ds, to finish putting ...

A massive fire destroyed a magnesium plant overnight in Chicago's south suburbs. The fire started around 11:30 p.m. Wednesday at the Chicago Magnesium Casting Company foundry at 14101 Seeley Ave.