Officials in Washington state disclose the cause of death for 11 people killed in a chemical tank rupture at a pulp and paper mill last month. According to ABC News US and Yahoo News, authorities say all 11 victims suffered chemical burns. The officials’ findings establish that the deaths are linked to injuries from the chemicals released when the tank ruptured, rather than another cause. The disclosures come after the incident, when emergency response teams responded to the rupture and later worked to identify those who died. The reports describe the cause of death in general terms, focusing on chemical burns as the common factor across the victims. The information released does not introduce differing causes among the fatalities in the accounts provided. The chemical tank rupture remains an ongoing subject for investigation by relevant authorities, but the newly released information centers on confirming the mechanism of harm leading to the deaths.