Russian invaders hit a supermarket and a post office in Kostiantynivka, Donetsk region, four dead and at least 24 injured are already known, a rescue operation is underway, Ukrainian President Volodymyr Zelenskyy said.

"Kostiantynivka, Donetsk region. A strike by Russian terrorists on an ordinary supermarket and a post office. People are under the rubble. The rescue operation is ongoing, and everything will be done to save people. As of this time, four deaths are known. My condolences to the family and friends. At least 24 people were injured," he wrote on the Telegram channel.