Before noon on the 7th, harmful hydrogen sulfide was generated at the construction site of a factory in Koryo Town, Nara Prefecture, and a total of 20 people, including nearby residents and workers, were transported by emergency, of which two male workers became seriously ill. It has become.
Police are investigating that gas leaked from something like a cylinder that was underground during the excavation work.
After 11:30 am on the 7th, a worker reported that "it smells like chlorine" at a construction site in Nango, Koryo Town, Nara Prefecture.
According to police, a total of 20 people, including one nearby resident and a worker, were transported by emergency after complaining of sore throat, and among them, male workers aged 69 and 43 were unconscious.
At the scene, a firefighting investigation detected three types of gases: hydrogen sulfide, hydrogen cyanide, and chlorine.
According to police, this place was the site of the Waterworks Bureau in Koryo Town, and while excavating with a power shovel, it hit something like a cylinder at a depth of about 1.5 meters and gas was generated.
The police and the fire department are investigating the detailed situation because the two people who are seriously injured were working to confirm the excavation position of the power excavator in the hole.