Earlier in the day, the governor said there were two victims in the village of Oktyabrskii and one victim in the village of Dubovoe in the region.
"The number of killed civilians has increased to four people. A man who was brought with multiple shrapnel wounds to the lower extremities from the village of Oktyabrskii died in city hospital No. 2," Gladkov said on Telegram.
As many as 12 people remain in hospitals as a result of the attacks, including one child, he added.