Alexey Miller, Gazprom chief executive, confirmed that Ukraine's payment deadline had passed
American anchor Liz Wahl resigned from Russia Today over network's pro-Putin agenda.
First Yougov poll since Russian troops marched into Crimea urges tougher line by UK government
Russia Today presenter Abby Martin, who criticised Russia, is an aspiring artist
Russian president still considered for Nobel Institute prize despite ongoing tensions in Ukraine
Russia's actions in Crimea reminiscent of Nazi Germany's strategies ahead of WWII, says former US Secretary of State.
Russia plans to hit US and EU with retaliatory sanctions if West imposes measures to end Crimea standoff
US economic aid package comes amid tussle with Russia for influence over Ukraine.
Investors making "tactical" decisions claims Putin as Ukraine crisis escalates.
Ukraine can't pay February gas bill from Gazprom, but Russia offers loan of up to $3bn to revolution-hit country.
Barack Obama condemns Moscow for deployment of troops in Crimea and says Russia on 'wrong side of history'.
Russian Black Sea Fleet commander Aleksandr Vitko said to have demanded Ukrainian troops give up arms
Monitoring agency shuts down pro-Maidan groups on VKontakte
Rouble fell 2.5% against the dollar to 36.44 and 1.5% against the euro to 50.21.
Ukrainian government in Kiev accuses Moscow of declaring war by sending troops into Crimean peninsula.
G8 partners condemn Moscow's military build up in Ukraine as Medvedev warns of fresh bloodshed to oust Kiev's interim government.
Ousted Ukrainian president insists that he never gave orders to police to shoot protesters
Opposition leader ordered two-month house arrest for breaching undertaking on embezzlement case.
Vladimir Putin launches military drill as pro-Kiev Tatars fight pro-Moscow protesters in Simferopol
Moscow has convicted eight anti-government protesters of rioting during a 2012 protest against Vladimir Putin.
F1 chief supports Russian leader over outlawing of homosexual propaganda.
Rumours circling of relationship between gymnast and president since 2008.