epa04166105 Pro-Russian supporters march during their rally in Odessa, Ukraine, 13 April 2014. The Ukrainian government in Kiev has sent special forces soldiers to the eastern city of Slaviansk after armed pro-Russian activists seized police buildings in the city on 12 April. At least one Ukrainian special forces officer was killed and five wounded in the eastern city of Slaviansk, acting interior minister Arsen Avakov said, as they tried to dislodge armed pro-Russian activists from police buildings. Any casualties among the pro-Russian resisters was not known. EPA/VOLODYMYR PETROV