One person was killed and dozens injured in an explosion on the morning of August 11 at a U.
S. Steel plant near Pittsburgh, Pennsylvania. According to the emergency services, two people are considered missing.
News agencies publish footage showing clouds of thick smoke above the enterprise.
The plant specializes in the production of coal coke for metallurgy. Approximately 1,200 people work here. The company has been operating since the beginning of the 20th century.
The explosion occurred in the battery shop.