Heating has been fully restored to Kyiv after the latest Russian bombardment that targeted water and power infrastructure, the capital's Mayor Vitali Klitschko said on Sunday.Ukrainian officials said Russia fired more than 70 missiles on Friday in one of its heaviest barrages since the Kremlin launched it's invasion on 24 February, forcing emergency blackouts nationwide and cutting access to heat and water.Temperatures in Kyiv and many places across Ukraine were below freezing on Sunday morning, with forecasts expecting them to dip to minus -6°C in the capital by the evening.Kyiv is by far the largest city in Ukraine with an estimated population of about 3 million, with up to two million more in the Kyiv region.Sergei Kovalenko, chief executive of YASNO, which provides electricity for Kyiv reported on Saturday evening that access to power had been increasing with each hour."