Reuters: Russia’s Gazprom says halts gas supplies to Ukraine over paymentBy Reuters. Published Nov. 25, 2015 at 2:34 pm CEO of Russian gas giant Gazprom Alexei Miller leaves the hotel Imperial on Oct. 23, 2015 in Vienna. Photo by AFPRussia's Gazprom said on Nov. 25 it was halting gas supplies to Ukraine until it makes a prepayment for supplies.Read more here