Gazprom reportedly confirmed the stoppage, saying Kyiv refused to extend a deal. LONDON -- Ukraine stopped the flow of Russian natural gas through its territory to Europe at 7 a.m. on Wednesday, as a long-held deal expired, Kyiv officials said. "We stopped the transit of Russian gas, this is a historic event," Herman Galushchenko, Ukraine's energy minister, said in a statement. "Russia is losing markets, it will suffer financial losses." The move had been expected, as Galushchenko and other officials signaled they were preparing to stop the transnational pipelines and discussing the move with neighboring nations. "We have undergone a...