U.S. Steel says its preliminary investigation found that the blast happened after pressure built up while a gas valve was ...

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

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

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

Rich Lattanzi knows all about safety in U.S. Steel’s Mon Valley facilities. At age 26, decades before he was elected in 2010 ...

The preliminary findings say how the company believes the explosion occurred. A union statement cautioned the investigation is in its early stages.

If you grew up in Pittsburgh or in one of the nearby steel towns, the deadly explosion at U.S. Steel’s Clairton Coke Works ...

In the last five years, U.S. Steel has paid more than $10 million in penalties for violations of the Clean Air Act at ...

The plant, a massive industrial facility along the Monongahela River south of Pittsburgh, is considered the largest coking ...

A Tamaqua man faces multiple charges after detonating a firework mortar inside a steel cigarette receptacle outside a borough home on July 4. Adam Basham, 37, was injured in the blast that sent ...

Tucked away in the charming borough of West Reading sits The American Diner, a gleaming beacon of culinary nostalgia that has Pennsylvania residents willingly crossing county lines just for a taste of ...