Eight persons were killed and two fell ill from toxic gas on Friday while cleaning a sewage discharge outlet in Dalian, a port city in China's Liaoning province, authorities said.
Villagers and workers fell unconscious while entering a sewage pool at a kelp processing plant to clean the blocked outlet in Yanchang New Village in Lushunkou district, Xinhua news agency cited the district's Party committee as saying in a statement.
Other villagers trying to save them also inhaled the gas and fell into the pool, it said.
--IANS
py/bg
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