The crisis could worsen social discontent and complicate collaboration with the European Union and Russia.
May 9, 2013 | 07:02 GMT
The deputy prime minister's departure signals intensified power struggles in the Kremlin.
May 8, 2013 | 10:04 GMT
The country's divisions will preclude meaningful integration with any bloc, whether European or Russian.
May 7, 2013 | 07:00 GMT