Nippon Steel (OTCPK:NPSCY) (OTCPK:NISTF) promised to invest $14B to keep US Steel's aging plants operating for decades, but ...

Explosions at Clairton Coke Works, a U.S. Steel plant near Pittsburgh, left one dead, two missing and at least seven others ...

An explosion rocked the U.S. Steel Clairton Coke Works facility near Pittsburgh Monday, leaving people trapped beneath the ...

Two people are dead and 10 others injured after an explosion at U.S. Steel’s Clairton Coke Works near Pittsburgh. The ...

Two people were killed and 10 others were injured in an explosion at the U.S. Steel Clairton Coke Works plant on Monday.

Two workers died and at least 10 people were injured after multiple explosions at the U.S. Steel Clairton plant.

Multiple explosions on Monday at a U.S. Steel plant near Pittsburgh killed two people and injured 10 others, according to the ...

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

Authorities confirmed a second fatality after an explosion at the U.S. Steel Clairton Coke Works facility outside of Pittsburgh.

Neighbors of U.S. Steel's Clairton Coke Works and the plants' workers react to the explosion at the plant on Monday that ...

Authorities said their investigation has shifted to the cause of the explosion after they accounted for everyone who was missing.

Multiple people have been injured in Pennsylvania, and several medical helicopters have been dispatched to the area.