Hundreds of thousands of residents left the Ukrainian capital this month alone, Vitaly Klitschko has said Kiev Mayor Vitaly Klitschko has warned that the Ukrainian capital is moving toward a “humanitarian catastrophe,” in an interview with The Times published on Tuesday. He also publicly exchanged blame for the situation in the city with Ukrainian leader Vladimir Zelensky. Around 5,600 apartment buildings remain without heating, Klitschko told the British paper, calling the situation “critical.”