It is reported by the Investigative Directorate of the Investigative Committee for the region.
"The investigation is considering several versions of what happened, including the possible murder of a woman and children by the head of the family, after which the man took his own life," the message says.
The investigating authorities established that there was a divorce process between the spouses, the man and woman did not live together.
On the eve of the incident, the man came to the apartment at the place of residence of his wife to visit the children.
Earlier, a criminal case was opened in the Krasnoyarsk Territory in the case of the murder of four people.
The bodies of a man, a woman and two children with stab wounds were found in an apartment in Kansk.