Services between King's Cross and Peterborough have begun again after thousands of commuters suffered delays caused by overhead power line problems.
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It will stay cold this afternoon with an increased risk of sleet and snow showers, especially in the north and west.
The Met Office has issued at yellow "be aware" warning for snow and ice in the Anglia region for Thursday evening into Friday.
Police have discovered a cannabis factory in a mansion at March in Cambridegshire