"As a result of acute carbon monoxide poisoning, the 57-year-old mistress of the house, her 30-year-old daughter and 2-year-old grandson, as well as the 44-year-old cohabitant of the daughter, died," the region’s press service said.
It clarifies that the case was initiated under Art. 109 of the Criminal Code of Russia (causing death by negligence).
Currently, investigative agencies continue to work at the site of the fire.
Earlier, the Investigation Committee of Russia opened a case after the death of four people in a residential building in the Krasnoyarsk Territory, including two children.