Rohtak, July 16 -- A 22-year-old labourer died after being exposed to toxic gas inside a sewage tank at the sewage treatment plant (STP) in Gangwa village of Hisar district, police said.

The deceased, identified as Monu Kumar, was a resident of the same village. However, another labourer Sonu was also admitted at a private hospital after being exposed to the toxic gas. Officials said his condition is said to be stable.

According to the police, the incident took place on Wednesday, following disruptions in the water supply plant, prompting two workers to enter the sewage tank to clear a blocked pipeline.

While trying to remove the obstruction using an iron rod, the pipeline suddenly opened, releasing a large amount of toxic gas that had...