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

Production at the facility could be affected for some time. Two of the plants six batteries of ovens were damaged in the ...

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

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

Workers were pushing coke out of huge ovens and preparing for maintenance when an explosion rocked a US Steel plant outside ...

The company defended its safety record as Investigators worked to determine the cause of the blast.

An explosion at a U.S. Steel plant south of Pittsburgh killed two people and injured more than 10 others. The CEO has vowed ...

The cause of the blast is still unknown. The Pennsylvania plant has racked up fines and faced lawsuits over emissions problems.

The explosion erupted at Clairton Coke Works at 10:51 a.m. ET, leaving some employees trapped under rubble for hours. The plant is stable, and an active investigation is underway, Scott Buckiso, ...

The deadly explosions that happened Monday at U.S. Steel's Clairton Coke Works facility come following several different ...

Authorities are investigating the cause of the blast at the Clairton Coke Works near Pittsburgh.