Chemical tank rupture at Washington state paper mill causes multiple deaths reported

Here is the rewritten news article in a neutral newsroom style:

A chemical tank rupture has occurred at a paper mill in Longview, Washington. According to reports, at least one person has been confirmed dead and nine others are missing.

The incident happened at the Nippon Dynawave pulp and paper mill, where a chemical tank ruptured, causing an implosion. The cause of the rupture is currently unknown.

Washington state officials have addressed the situation, but no further information on their response or actions taken has been released.

Local news outlets have reported that emergency responders were called to the scene, and efforts are underway to locate those missing. The incident is under investigation by authorities.

Details about the incident, including the number of people affected and the extent of the damage, are still emerging.

Source: Google News World