An explosion at a US Steel plant near Pittsburgh, Pennsylvania, killed at least one person and injured multiple people, with at least one people missing, police said, as fire crews battled flames. 🔗 Read the warnings issued to nearby residents at our link in bio. #ussteel #pittsburgh #clairton #plantexplosion #pennsylvania Read the story here: 👉 Subscribe: http://smarturl.it/reuterssubscribe Keep up with the latest news from around the world: https://www.reuters.com/ Follow Reuters on