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

(Reuters) -United States Steel said on Friday a fatal blast that killed two and injured 10 others at its Clairton Coke Works ...

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

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

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

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

U.S. Steel Clairton Coke Works' current limited coke-making capacity due to Monday's explosion is prompting concerns.

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

The deadly blast at the U.S. Steel facility outside Pittsburgh was just the latest in a series of recent workplace accidents.

When horrific situations strike in the Pittsburgh area, such like the U.S. Steel Clairton coke plant explosion that killed ...

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