Over 2,600 residential buildings, 187 nurseries and 138 schools in Kyiv have been left without heat after an overnight Russian attack, the city administration said on Saturday.For all the latest headlines, follow our Google News channel online or via the app. The temperature in the capital hovered around 0 degrees Celsius (32 Fahrenheit) on Saturday morning. Authorities in Kyiv region, which surrounds the capital but does not include it, said 320,000 households had lost power after the attack. Read more:Powerful explosions heard in Ukraine’s capitalZelenskyy says prepared to call referendum on Trump plan if Russia agrees to ceasefireRussia lashes out at Zelenskyy ahead of new Trump meeting on Ukraine plan