Kyiv (Ukraine) (AFP) – Russian shelling on the southern Ukrainian city of Kherson killed 15 civilians Friday, officials said, as engineers across the country sought to restore heat, water and power to major cities. Throughout the country, Russian air strikes over recent weeks have brought Ukraine’s energy infrastructure to its knees as winter approaches and temperatures approach freezing, spurring fears of a health crisis and a further exodus. Ukraine’s President Volodymyr Zelensky said that more six million households in the country were still affected by power cuts, two days after targeted R…