2 workers die, 2 critically wounded while cleaning inside manhole in Daegu

A firefighter investigates the manhole in Daegu, Sunday. Yonhap

Two workers died of asphyxiation and two were critically injured on Saturday while cleaning inside a manhole in the southeastern South Korean city of Daegu, fire officials said.

The accident happened at a recycling center in Daegu, 300 kilometers southeast of Seoul, at 5:42 p.m.

Two workers, who suffered cardiac arrest, died while being treated at a hospital. Another two workers nearly lost consciousness after they suffered asphyxiation, fire officials said.

Police were investigating the cause of the accident. (Yonhap)