• 'Calling for de-escalation': NATO  Monday, 3 Mar 2014 | 1:13 AM ET

    NATO and the U.K. have called on Russia to "de-escalate tensions", as the Ukrainian acting foreign minister, Andriy Deshchitsya, says Russia has rejected calls for negotiations and consultations.

  • 'Yes, it's a war': Ukraine deputy secretary  Monday, 3 Mar 2014 | 1:07 AM ET

    Russia's intrusion in Ukraine is a declaration of war says Victoria Sumar, Deputy Secretary of the Council of National Security and Defence of Ukraine, adding that Ukraine has "no reason to use armed forces right now."

  • Can the EU sanction Russia?  Monday, 3 Mar 2014 | 1:00 AM ET

    The European Union has little "beyond the diplomacy card" to punish Russia, reports CNBC's Carolin Roth from Brussels as economic sanctions could have big repercussions for the region's economy.

  • Russian minister withdraws from energy conference Sunday, 2 Mar 2014 | 10:48 PM ET
    Russia's energy minister Alexander Novak

    Russia's energy minister canceled his appearance before a global energy conference, where the Russian invasion of Crimea is now a part of the agenda.

  • Reading into Ukraine's situation  Sunday, 2 Mar 2014 | 10:02 PM ET

    Jonathan Pain, Author of 'The Pain Report', says 'the unimaginable have become imaginable' in Ukraine and markets are now beginning to 'price in a possible contagion'.

  • Kerry's statement 'good and sober': Herbst  Sunday, 2 Mar 2014 | 8:18 PM ET

    U.S. Secretary of State John Kerry's statement to Russia was 'good and sober', says John Herbst, Director of the Center for Complex Operations at the National Defense University.

  • Ukrainian and Russian troops in a standoff  Sunday, 2 Mar 2014 | 7:13 PM ET

    Russian solders seized control of Crimea on Sunday in a bloodless coup. CNBC's Bill Neely reports.

  • Reading the Ukraine crisis  Sunday, 2 Mar 2014 | 5:35 PM ET

    Leslie Holmes, Professor at the School of Social and Political Sciences at the University of Melbourne, analyzes latest developments in Ukraine after Russia seized Crimea in a bloodless coup on Sunday.

  • Ian Bremmer, President of the Eurasia Group, explains why he thinks geopolitical uncertainty, sparked by the crisis in Ukraine at the moment, may be at levels worse than the September-11 attacks.

  • Traders buy protection on Russia rumors: Pro  Friday, 28 Feb 2014 | 7:44 PM ET

    Discussing Ukraine's economic impact on the stock market, with Michael Cuggino, Permanent Portfolio Funds, and Jack Bouroudjian, Index Financial Partners.

  • Russians splitting hairs on Ukraine treaties: Pro  Friday, 28 Feb 2014 | 7:06 PM ET

    Discussing Russia's involvement in Ukraine, with Don Jensen, Center for Transatlantic Relations and CNBC's Michelle Caruso-Cabrera.

  • Russia likely to get what Russia wants in showdown Friday, 28 Feb 2014 | 5:21 PM ET
    Russian sailors do their morning exercises near a navy vessel in the bay of the Ukrainian city of Sevastopol, the main base of the Russian Black Sea Fleet, in September 2011.

    If Crimea tries to secede from Ukraine with Russian support, there's almost nothing Ukraine could do to stop it.

  • Ukraine a sell signal: Trader  Friday, 28 Feb 2014 | 5:15 PM ET

    The "Fast Money" crew trades on uncertainty in Ukraine. And Retired US Army Gen. Wesley Clark assess the military situation there.

  • President Obama says any violation of Ukraine's sovereignty from Russia would be deeply destabilizing to Ukraine and not in the best interest of Europe.

  • Pres. Obama to speak on Ukraine  Friday, 28 Feb 2014 | 4:42 PM ET

    CNBC's Eamon Javers previews President Obama's statement on tensions in Ukraine set to take place late Friday afternoon. Willis Sparks, Eurasia Group, provides insight.

  • David Gregory on Russia's involvement in Ukraine  Friday, 28 Feb 2014 | 4:35 PM ET

    President Obama is set to speak on tensions in Ukraine late Friday afternoon. Meet the Press moderator David Gregory provides insight into what the president may say.

  • No official police presence in Kiev  Friday, 28 Feb 2014 | 1:27 PM ET

    CNBC's Michelle Caruso-Cabrera reports Secretary of State John Kerry told Russia it's important not to inflame the situation in Ukraine's Crimea region. Ad hoc military has taken control of the country.

  • Ukraine's fugitive president still talking tough  Friday, 28 Feb 2014 | 10:12 AM ET

    Ousted Ukrainian president Viktor Yanukovych says he was not overthrown but forced to flee under threat of his life, and a Russian-speaking gunman has seized two Crimean airports, reports NBC News Correspondent Jim Maceda.

  • CNBC's Michelle Caruso-Cabrera has the latest details from ousted Ukrainian President Yanukovych's press conference.

  • Awaiting Yanukovych press conference  Friday, 28 Feb 2014 | 8:03 AM ET

    CNBC's Michelle Caruso-Cabrera shares her recollections of touring former President Yanukovych's palace and reports the ousted leader believes he is still president of Ukraine.