Mass casualty alert: huge blast rocks U.S. Steel plant in Pennsylvania with multiple injuries and emergency crews flooding in

Multiple injuries. Medical helicopters dispatched. EMS units pulled from across the region.

“Emergency crews are on the scene of a reported explosion at the U.S. Steel Clairton Coke Works. A mass casualty incident has been declared to allow for additional EMS resources from across the region to respond.” https://www.wpxi.com/news/local/explosion-reported-us-steel-clairton-coke-works-multiple-people-injured/FDX2T42G7FF33NUPSTVA3XOIPI/

Allegheny County Health Department is monitoring air quality.

“Allegheny County officials confirm that the Health Department is on site and monitoring the air quality.” https://www.yahoo.com/news/articles/explosion-reported-us-steel-clairton-152010686.html

Governor Shapiro confirms state-level response.

“Governor Josh Shapiro released a statement confirming that his administration is in touch with local officials and has offered all available assistance.” https://www.tampafp.com/breaking-mass-casualty-incident-declared-after-explosion-at-pennsylvania-u-s-steel-plant/