Law enforcement agencies of the Krasnoyarsk Territory are considering several reasons for the deaths of the children.
Children died after eating chicken and dumplings for dinner.
One of the versions is that a dangerous substance got into food, the Krasnoyarsk Territory prosecutor's office reported on its Telegram channel.
At the moment, the following version is also being considered: poisoning from food products purchased in a store.
Earlier, the Investigative Committee reported that the family was poisoned after dinner.
The family had four children: 6, 11, 12 and 13 years old. They ate chicken and dumplings that were bought in a store in the village of Krasnaya Sopka.
On September 21, all family members with signs of poisoning went to the hospital.
The six-year-old girl and the thirteen-year-old boy could not be saved. The next day, an eleven-year-old girl also died in the hospital.
Law enforcement officials are considering several reasons for the children's deaths.
According to one version, a dangerous substance could have gotten into the food.
The prosecutor's office is conducting an investigation into the death of three children as a result of poisoning.
As part of the investigation, expert studies have been ordered to establish the causes and conditions of the incident.
