Via AFP:
Russia threatened on Friday to cut off gas supplies to Ukraine after the West warned of sanctions and pro-Kremlin gunmen blocked a foreign observer mission aimed at defusing tensions in Crimea.
The warning by Russian state-run energy giant Gazprom, which could affect supplies to other parts of Europe, seemed to be a tit-for-tat response to an EU warning it could toughen sanctions against Moscow.
The latest developments underscored the Kremlin's resolve to stand its ground over a flare-up that has endangered European security and tested the West's commitment to uphold the sovereignty o...
