Update: Officials confirmed multiple deaths and unaccounted individuals in the Longview explosion. 10 people were transported to a hospital.
The explosion was caused by a tank rupture containing white liquor, officials said.
Emergency responders continue operations, but no identifying information on injured or deceased individuals will be released pending family notification.
The Longview Fire Department confirmed multiple chemical burn injuries and asked residents to stay away from the area.
No threat to the public was reported, but hazmat and fire crews are working to contain the damage at the Nippon Dynawave paper mill.
