A deadly explosion at a pulp and paper mill in Longview, Washington, has triggered panic and raised serious safety concerns in the United States. At least one person was killed and several others injured after a massive chemical tank carrying nearly a million gallons of corrosive “white liquor” ruptured violently at the Nippon Dynawave Packaging facility. Emergency crews rushed to the scene as thick smoke and chaos engulfed the industrial site. Authorities say victims suffered burns and inhalation injuries, while investigators are now probing the cause of the blast. Watch this video to know more.