UPDATE: U.S. Senator John Fetterman confirms that at least one person has died as a result of the accident at Clairton Coke Works.
Allegheny Health Network tells KDKA Radio they've received a total of seven patients. AHN Jefferson Hospital is currently treating five patients, while AHN Allegheny General Hospital and AHN Forbes Hospital are each treating one patient.
UPMC is also treating victims.
"Multiple AHN hospitals are receiving inbound patients from the US Steel plant explosion earlier today."
There’s been an explosion at the U.S. Steel Clairton Coke Works in Allegheny County.
Multiple crews on the scene and a mass casualty incident has reportedly been declared.
According to reports, several people have been injured and black smoke is seen rising from the scene.
The Breathe Project posted a video of the explosion that you an see HERE.
Multiple medical transports are on or heading toward the scene with several people taken to local medical facilities.
At least two medical helicopters are on the property as well.
Allegheny County Police say they are among the many departments on site. They confirm there are multiple injuries due to the explosion.
Pennsylvania Governor Josh Shapiro released a statement via "X":
A mass casualty incident allows for additional resources to respond to the scene.
This is a developing story and will be updated.