Kiev says Russia has cut all off gas to Ukraine

KIEV (Reuters) - Ukraine's energy minister said Russia had cut off all gas supplies to Kiev on Monday but he guaranteed reliable gas flows would continue to Russia's European clients who get imports through pipelines via Ukraine. "We have an announcement to make today - that gas supplies to Ukraine have been reduced to zero," Energy Minister Yuri Prodan told a news briefing. (Reporting by Natalia Zinets, Editing by Timothy Heritage)