David Cameron is "gravely concerned" at reports of Russian military vehicles crossing into Ukraine, his spokesperson said.
After speaking to Ukraine's President Petro Poroshenko, the Prime Minister said Russia must not use its humanitarian aid convoy as a pretext for provocation and asked Russia to "demonstrate willingness to find a peaceful solution to conflict in Ukraine."
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The five-piece dance group do not sing but their choreographed back-flips had the crowd cheering at their audition in tonight's episode.