By Dan Peleschuk KYIV (Reuters) – Basic services were being restored in Ukraine’s capital Kyiv on Saturday after the latest wave of Russian air strikes on critical infrastructure, as residents navigated a city gripped by fog and girded for a holiday season marked by uncertainTy. Mayor Vitali Klitschko said a quarter of Kyiv remained without heating but that the metro system was back in service and all residents had been reconnected to water supply by early morning. Only around one-third of the city remained without electricity, he said, but emergency outages would still be implemented to save …