A pro-Russian masked man stands watch inside the Mariupol town hall in east Ukraine
A pro-Russian masked man stands watch inside the Mariupol town hall in east Ukraine April 26, 2014. Russia will take all possible steps to free detained OSCE military observers in the Ukrainian town of Slaviansk, Russian news agencies reported on Saturday, citing Russia's envoy to the Vienna-based Organisation for Security and Co-operation in Europe. REUTERS/Baz Ratner(UKRAINE - Tags: POLITICS CIVIL UNREST)
Pro-Russian masked men stand watch inside the Mariupol town hall in east Ukraine
Pro-Russian masked men stand watch inside the Mariupol town hall in east Ukraine April 26, 2014. Russia will take all possible steps to free detained OSCE military observers in the Ukrainian town of Slaviansk, Russian news agencies reported on Saturday, citing Russia's envoy to the Vienna-based Organisation for Security and Co-operation in Europe. REUTERS/Baz Ratner(UKRAINE - Tags: POLITICS CIVIL UNREST)
Pro-Russian masked men stand watch inside the Mariupol town hall in east Ukraine
Pro-Russian masked men stand watch inside the Mariupol town hall in east Ukraine April 26, 2014. Russia will take all possible steps to free detained OSCE military observers in the Ukrainian town of Slaviansk, Russian news agencies reported on Saturday, citing Russia's envoy to the Vienna-based Organisation for Security and Co-operation in Europe. REUTERS/Baz Ratner(UKRAINE - Tags: POLITICS CIVIL UNREST)
Pro-Russian masked men stand watch inside the Mariupol town hall in east Ukraine
Pro-Russian masked men stand watch inside the Mariupol town hall in east Ukraine April 26, 2014. Russia will take all possible steps to free detained OSCE military observers in the Ukrainian town of Slaviansk, Russian news agencies reported on Saturday, citing Russia's envoy to the Vienna-based Organisation for Security and Co-operation in Europe. REUTERS/Baz Ratner(UKRAINE - Tags: POLITICS CIVIL UNREST)
People take part in a pro-Ukrainian rally in Luhansk
People take part in a pro-Ukrainian rally in Luhansk, eastern Ukraine April 26, 2014. Russia will take all possible steps to free detained OSCE military observers in the Ukrainian town of Slaviansk, Russian news agencies reported on Saturday, citing Russia's envoy to the Vienna-based Organisation for Security and Co-operation in Europe. REUTERS/Vasily Fedosenko (UKRAINE - Tags: POLITICS CIVIL UNREST)
People take part in a pro-Ukrainian rally in Luhansk
People take part in a pro-Ukrainian rally in Luhansk, eastern Ukraine April 26, 2014. Russia will take all possible steps to free detained OSCE military observers in the Ukrainian town of Slaviansk, Russian news agencies reported on Saturday, citing Russia's envoy to the Vienna-based Organisation for Security and Co-operation in Europe. REUTERS/Vasily Fedosenko (UKRAINE - Tags: POLITICS CIVIL UNREST)
People take part in a pro-Ukrainian rally in Luhansk
People take part in a pro-Ukrainian rally in Luhansk, eastern Ukraine April 26, 2014. Russia will take all possible steps to free detained OSCE military observers in the Ukrainian town of Slaviansk, Russian news agencies reported on Saturday, citing Russia's envoy to the Vienna-based Organisation for Security and Co-operation in Europe. REUTERS/Vasily Fedosenko (UKRAINE - Tags: POLITICS CIVIL UNREST)
Russia, consumer states discuss gas supply via Ukraine -report
RUSSIA-ENERGY/GAS (URGENT):Russia, consumer states discuss gas supply via Ukraine -report