Russia has expressed "deep concern" over proposed changes to Ukraine's constitution, saying Kyiv "absolutely" ignored the demands put forward by separatist rebels.
Russia's War Against Ukraine
Radio Free Europe/Radio Liberty: Ukraine rebels, Russia criticize proposed constitutional changes
Armed pro-Russian separatists and a policeman of the self-proclaimed Donetsk People's Republic close a road on June 12, 2015 in downtown of Donetsk, the rebel bastion in east Ukraine.
