4 workers die of suspected asphyxiation in factory manhole

Rescuers take care of a worker who passes out at a factory of South Korean firm Miwon Vietnam Co. Ltd in Vietnam's northern Phu Tho Province, July 18, 2022. Photo by acquired by VnExpress

Four workers died due to suspected asphyxiation while cleaning a manhole at a South Korean-owned seasoning factory in Phu Tho Province.

According to local authorities, Miwon Vietnam Co. Ltd hired two sanitation workers from a company in Hanoi to clean a manhole at its plant in the northern province on Monday evening.

At around 6 p.m., while they were working down the manhole, the two passed out after suffering from breathing difficulty.

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