Russian strikes have left half of Kyiv without power, heating, or water, pushing the city toward a “humanitarian catastrophe,” Mayor Vitali Klitschko warned on Tuesday. “Leave if you can,” Klitschko urged residents as emergency crews scrambled to restore services amid a cold snap with temperatures as low as –18°C (0 ° F). He said about 600,000 people have already fled Kyiv this month, out of a population of roughly 3 million. JOIN US ON TELEGRAM Follow our coverage of the war on the @Kyivpost_