Russian President Vladimir Putin's visit to Crimea is a "deliberate escalation" of the crisis, Ukraine's Foreign Ministry said.
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It will be cold and frosty across the north of the UK tonight, with some icy patches in the west.
The quartet failed to impress with their version of Something About The Way You Look Tonight.
Temperatures are expected to rise today and tomorrow, with heavy rain expected tomorrow. Melting snow plus heavy rain could mean trouble.