Putin issues warning to Ukraine

Russian President Vladimir Putin (R) and Russian Defence Minister Sergei Shoigu (L) walk to take part in a meeting of the council of trustees of the Russian Geographical Society (RGS) in the main library of the State University in Moscow on April 15, 2014. AFP PHOTO / RIA NOVOSTI / PRESIDENTIAL PRESS SERVICE / ALEXEY DRUZHININALEXEY DRUZHININ/AFP/Getty Images
Russian President Vladimir Putin (R) and Russian Defence Minister Sergei Shoigu (L) walk to take part in a meeting of the council of trustees of the Russian Geographical Society (RGS) in the main library of the State University in Moscow on April 15, 2014. AFP PHOTO / RIA NOVOSTI / PRESIDENTIAL PRESS SERVICE / ALEXEY DRUZHININALEXEY DRUZHININ/AFP/Getty Images

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    Putin issues warning to Ukraine

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Vladimir Putin has contacted world leaders asking them to condemn the military action in Ukraine. Diana Magnay reports.