The explosion at the plant in the us state of Louisiana killed three people, reports KPLC.
The incident occurred at the company manufacturer of packaging materials, Packaging Corporation of America in the city of Beauregard in the first half of the day on Wednesday, February 8.
Confirmed the death of three people, one unaccounted for. Several people were injured. For their evacuation involved, including helicopters.
The causes of the incident are being investigated. On-site work by representatives of the emergency services.