A video showcased a gas leak that triggered an explosive blast with a family inside a home. The footage went viral, sparking mixed reactions on social media.

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 ...

Workers were heating coal and preparing for routine maintenance when an explosion rocked a U.S. Steel plant outside ...