UK weather: Urgent 12-hour snow warning issued as temperatures plunge to -9C in week long cold snap
![Cold weather map](https://www.gbnews.com/media-library/cold-weather-map.png?id=51027318&width=1200&height=800&quality=90&coordinates=0%2C101%2C0%2C6)
A 12-hour warning has been issued by the Met Office with snow and ice expected to continue overnight while temperatures plunge to as low as -9C
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