The U.S. Chemical Safety board is investigating an Aug. 11 explosion that killed two people and injured 10 at a U.S. Steel ...

One week after the explosion at U.S. Steel Clairton Coke Works, a heartbroken community came together to pray for healing.

Explore the recent preliminary findings that reveal the cause behind the devastating explosion at Clairton Coke Works.

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

Pittsburgh lawyer John Gismondi has seen it all before. He represented the family of Nicholas Revetta, killed in a 2009 ...

The air monitor generates a beam of infrared light, shoots it down to that mirror, which causes it to bounce back.

KDKA's Megan Shinn takes a look back at the news of the week, including the explosion at the U.S. Steel Clairton plant, the ...

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

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

Channel 11 spoke exclusively with United Steelworkers Local 1557 Vice President Richard Tikey, sharing his reaction to new details in the investigation into the deadly explosion at the Clairton Coke ...

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

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