Interfax informs about this with reference to the press service of the republican department of the Russian Emergencies Ministry.
According to the Ministry of Emergency Situations, the firefighters who arrived at the scene found strong smoke in the house.
One man and two children died at the scene of the emergency, another man died in an ambulance.
The department said that the house was used as a summer residence.
Earlier it was reported about a fire in an apartment building in the Leningrad region.