It is reported by RIA Novosti with reference to the GSU SK in the Moscow region.

“A preliminary cause of family death is carbon monoxide poisoning,” the statement said.

The department added that the cause of the fire could also be an emergency operation of electrical networks or electrical equipment.

Earlier it was reported that four people, including two children, died as a result of a fire in a residential building in the Podolsk city district of the Moscow region.

In the summer, URA.RU broadcast a pre-investigation check in the Kurgan region after the death of a family of three in a fire.