Four workers died in Gyoda, Japan, after falling into a manhole while inspecting sewage pipes. The incident occurred when one worker fell for unknown reasons, prompting three others to attempt a rescue. All four were retrieved and pronounced dead at a hospital. The workers were part of a stationary survey of sewage pipes, with orders to clean them if necessary. Rescuers detected hydrogen sulfide gas from the manhole, which is toxic at high concentrations, raising suspicions that it affected the workers' ability to escape. Investigations are ongoing regarding the accident's circumstances.
Four workers died after falling into a manhole while inspecting sewage pipes in Gyoda. The incident occurred when one fell in, prompting three others to try to rescue him.
Rescuers detected hydrogen sulfide gas emanating from the manhole. This toxic gas may have contributed to the incident. Investigations into the circumstances are ongoing.
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