The death toll of the Pennsylvania factory explosion in the United States has risen to 2 people.

According to CNN on the 11th, an explosion at a factory near Pittsburgh, Pennsylvania, owned by a US steel company has resulted in 2 deaths and at least 10 injuries. The emergency services department of Allegheny County, where the factory is located, stated that the factory caught fire and exploded around 10:51 am local time on the 11th, with some people trapped in the debris. The emergency services department has since launched rescue operations, and the injured employees have been taken to local hospitals for treatment. Rescue operations are still ongoing. The cause of the accident is not yet clear. According to local media reports, this factory owned by the US steel company is the largest coking plant in North America and employs thousands of workers. The factory has experienced explosion accidents in 2009 and 2010, resulting in casualties, and has long-standing pollution problems.