The accident occurred at around 10 a.m. local time (01:00 GMT) at Hanwha chemical factory, affecting six workers at the scene and seven outside the building, the Yonhap news agency reported.
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The workers reportedly showed several symptoms of intoxication, including breathing difficulties, nausea, runny nose and others.
Three injured in chlorine gas leak at chemical factory#injured #chlorine #gas #leak #chemical #factory https://t.co/O7cXOsl9oX
— The Korea Herald (@TheKoreaHerald) 17 мая 2018 г.
The police are investigating the causes of the incident but believe that the leak could have happened while chlorine was being transferred from a tanker truck to a storage tank.