Earlier in the day, the Bryansk region office of the Interior Ministry said that five people were injured after a girl opened fire in a gymnasium in Russia's Bryansk, one died of the injuries. The shooter committed suicide.
"In the incident in Bryansk, two were killed and five teenagers were injured, all of them were hospitalized in moderate condition. They receive all the necessary medical care," Kuznetsov said.
Later on Thursday, Kuznetsov said that one of those injured was in critical condition.
A criminal case on the murder of two or more individuals has been opened after the deadly shooting, the Russian Investigative Committee said.
Investigators and criminologists are working at the scene to determine the motives for the crime and all the circumstances of the incident, the committee added.