4 die of apparent asphyxiation at major retail outlet near Seoul
Social affairsJul 3, 2011
GOYANG (Yonhap News) ― Four South Korean mechanics died of apparent asphyxiation caused by refrigerant gas in an underground machine room at a major retail outlet near Seoul, officials said Saturday.The four were working to fix a refrigeration system in the machine room in E-Mart in Ilsan, northwest of Seoul, until 2:40 a.m., an E-Mart official said, adding that the ventilation system was working