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

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

U.S. Steel says preparations for a routine maintenance task may have led to an explosion at a U.S. Steel coal-processing ...

Timothy Quinn, 39, of East Huntingdon Township, also died in the incident. Ten other people were injured. Three of them are ...

The investigation asking if companies in Esparto were involved in activities beyond what their licenses permitted will ...

Family members tell Pittsburgh's Action News 4 Steven Menefee, a father of two, was a loving man who would give you the shirt ...

The fatal explosion last week at U.S. Steel's Pittsburgh-area coal-processing plant has revived debate about its future just ...

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

The mill, which is part of the recent merger between U.S. Steel and Nippon Steel, has faced scrutiny from federal and local ...

Five people were killed and at least 20 were injured in the blast that sparked a huge fire at the Elastik gunpowder plant just over 100 miles southeast of Moscow.

By Thursday afternoon, one of three victims was released while the other two were expected to remain hospitalized overnight.