Authorities say the death toll from a chemical spill at a paper plant in the northwestern United States has risen to eight. Three people remain missing, according to an official cited by multiple outlets. Responders are continuing rescue and recovery efforts while operating in a hazardous environment due to ongoing risks at the incident site. The reports describe the spill as involving hazardous chemicals and emphasize that search operations are being carried out under safety constraints. The information currently available indicates that officials are focusing on accounting for those affected, locating the missing individuals, and managing exposure risks for personnel involved in the response. Updates on the incident’s scope and the conditions surrounding the spill are expected as authorities continue their work. No additional details on the specific chemical(s) involved, the plant’s identity, or the cause of the spill are included in the accounts provided.