In Vyshny Volochyok, Tver Region, a 2-year-old child died as a result of poisoning with an unidentified substance.
The girl died after her condition deteriorated sharply.
A child born in 2022 from a large family died in hospital, TASS writes.
Doctors were unable to save the girl, who was poisoned, presumably by an unidentified substance.
The press service of the Investigative Committee of the Russian Federation for the region confirmed the start of a pre-investigation check into the poisoning of a large family and the death of a child.
The department reported that a family with three young children showed signs of poisoning.
The parents and children were taken to hospital with high fever and vomiting.
The girl, born in 2022, died as a result of a sudden deterioration in her health.
Investigators have begun an investigation after a large family was poisoned with an unidentified substance in Vyshny Volochok, Tver Region.
Based on the results of the inspection, a procedural decision will be made.