At least eight persons were killed today and two others fell ill while cleaning a sewage discharge outlet in northeast China's Liaoning Province.
Villagers and workers fell unconscious while entering a sewage pool at a kelp processing plant to clean the blocked outlet in Dalian, a port city, in Yanchang New Village of Lushunkou District, state-run Xinhua news agency reported.
Some other villagers who were trying to save them also inhaled the toxic gas and fell into the pool, the report said.
Eight persons were confirmed dead and those who fell sick are being treated at a hospital, it said.
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