Millions across Ukraine wake on Christmas Day to sirens as Putin's jets take off from BelarusUkrainians in Kyiv and other regions across the country woke this Christmas morning to falling snow and blaring air raid sirens.Kyiv urged people to go to shelters after the air alert was announced, while unconfirmed Ukrainian social media reports said the alert may have been declared after Russian jets took to the skies in Belarus.In an address to the nation to mark Christmas Eve, Zelensky urged his compatriots to persevere through a tough winter despite the absence of dead or exiled loved ones, power cuts, destruction and the threat of shelling.While today Russian President Vladimir Putin said he was '100 percent' confident that his forces would destroy the Pentagon's most advanced air defence system that US President Joe Biden has promised to send to Ukraine.Read moreMore From Daily Mail- NHS bosses spend £65million a year on prescriptions for items such as bread and SHAMPOODaily Mail- Kate shares that her children got 'lovely things' for ChristmasDaily Mail- NHS bosses want interview panels to justify why they have hired a white personDaily Mail"