HARRISBURG, Pa. (AP) — The fatal explosion last week at U.S. Steel’s Pittsburgh-area coal-processing plant has revived debate ...

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

The explosion at U.S. Steel's Pittsburgh-area plant has reignited debate about its future. The plant, part of a long-standing ...

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

The recent explosion at US Steels plant in Pittsburgh raises significant questions about the companys future despite heavy ...

“Pressure built inside the valve, leading to valve failure and coke oven gas filling the area and ultimately exploding when ...