According to a report from the Nagaoka Police Station in Niigata Prefecture, on the afternoon of the fifth, two individuals who have been working inside a manhole on the premises of the Nagaoka City Central Library have been discovered unconscious and have been hospitalized. was transported to Firefighters stated the victims have been males of their 20s and 40s. In the library, the police are investigating the detailed state of affairs as a result of the bathroom renovation work was being completed.
Source
Niigata Nagaoka Two males working in a manhole unconscious and transported to hospital | NHK
