By Kieren Williams The Met Office has warned a blizzard could hit Britain today at the beginning of a freezing week of weather warnings. Blizzard conditions are likely later today in parts of the UK due to the combination of gale force winds and heavy snow reducing visibility. There are weather warnings in place from today running through to Thursday, brought aboutby a bloc of Arctic air sweeping in from the north. It will send temperatures plunging as low as -10C the Met Office has warned as it could also bring about a blizzard in north east Scotland, where the weather is worse, as soon as to…