It is noted that the message about the fire was received by the fire and rescue service of the Tulunsky district at 00:28 (19:28 Moscow time).
The open fire was reportedly extinguished in less than an hour.
"Three dead were found inside: a woman of 29 years old and two children - 1 and 3 years old," the ministry said.
In February, URA.RU reported that three people died in a fire in Kurgan.