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

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

The company said pressure likely built up inside the valve, causing it to fail and leading to coke oven gas filling the area, ...

United States Steel Corp. said Friday the fatal blast that killed two workers at its Clairton Coke Works facility in ...

U.S. Steel has released new details on what investigators believe caused the explosion at the Clairton Coke Works plant that ...

The Pennsylvania county where an explosion at a U.S. Steel plant south of Pittsburgh killed two people and injured more than ...

Preparations for a routine maintenance task may have led to an explosion at a U.S. Steel coal-processing plant near ...

Flushing of a gas valve made during maintenance preparation may have led to the deadly explosion at the U.S. Steel Clairton ...

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