Russia's foreign ministry has expressed outrage at a fatal shooting incident in eastern Ukraine which it blamed on Ukrainian nationalists. Russian state media reported that five people were killed in a gun attack on a checkpoint manned by pro-Russian activists near the town of Sloviansk. Ukrainian officials said one died in a clash between "two groups of citizens". The incident comes as pro-Russian groups continue to occupy government buildings defying a deal to leave. Etrogrul Apakan, who heads the special mission of the Organization for Cooperation and Security in Europe in Kiev, said his deputy would be in Donetsk to...