The deadly explosion at Clairton Coke Works near Pittsburgh occurred when a gas valve was flushed before planned maintenance, ...

The preliminary findings say how the company believes the explosion occurred. A union statement cautioned the investigation ...

U.S. Steel released preliminary findings about the potential cause of Monday's deadly explosion at U.S. Steel Clairton Coke ...

HARRISBURG, Pa. (AP) — Preparations for a routine maintenance task may have led to an explosion at a U.S. Steel ...

U.S. Steel has released new details on what investigators believe caused the explosion at the Clairton Coke Works plant.

Flushing of a gas valve made during maintenance preparation may have led to the deadly explosion at the U.S. Steel Clairton ...

Preparations for a routine maintenance task may have led to an explosion at a U.S. Steel coal-processing plant near ...

Louisiana Attorney General Liz Murrill accused California-based Roblox of enabling online predators to endanger children in a ...

When horrific situations strike in the Pittsburgh area, such like the U.S. Steel Clairton coke plant explosion that killed ...

A Monongahela business launched a fundraiser to benefit employees of the U.S. Steel Clairton Works after Monday’s explosion at the plant that killed two and injured at least another 10. Michelle ...