In Derbent, during the cleaning of the sewers, two operators of a sewage treatment plant and their boss died, who wanted to get the workers out, but could not save them and died himself.
According to preliminary information, poisonous gas accumulated in the collector that could have caused the death of the men.
The Investigative Committee and the Prosecutor’s Office of Dagestan are conducting an investigation into the death of three employees of the municipal unitary enterprise Derbent Treatment Plants. They died while carrying out technical work in a quarry on the outskirts of Derbent.
