You're reading: Reuters: Militants raise Russian flag in Ukraine city, risk of ‘gas war’ looms

 Armed pro-Russian militants raised the Russian flag in an eastern Ukrainian city on April 12, deepening a stand-off with Moscow which, Kyiv warned, was dragging Europe closer to a "gas war" that could disrupt supplies across the continent. At least 20 men armed with pistols and rifles took over the police and security services headquarters in Slovyansk, about 150 km (90 miles) from the border with Russia.

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