Jyrki Katainen, Prime Minister of Finland, says the European Union is sending two messages, one via sanctions and the other through diplomatic talks.
U.K. Prime Minister David Cameron says EU leaders have agreed on the need to send a 'clear, strong and consistent message' to Russia. CNBC's Julia Chatterley reports.
Raoul Ruparel, head of economic research at Open Europe, says each European country has a different economic relationship with Russia making widespread sanctions difficult.
NBC News analyst and former U.S Ambassador to Russia Michael McFaul discusses sanctions placed on Russian individuals by President Obama. CNBC's Eamon Javers provides perspective.
One of the Russian businessmen sanctioned Thursday likely dodged some financial impact by selling his shares in a large commodities trading firm
CNBC's Eamon Javers reports Russian oligarch Gennady Timchenko sold his entire stake in Gunvor Group to Torbjorn Tornqvist 1 day before U.S sanctions.
CNBC's Eamon Javers reports new sanctions imposed by President Obama on Russia targets 16 government officials and will hit specific sectors of the Russian economy.
Russia says it has imposed entry bans on nine U.S. lawmakers and officials in retaliation to Washington's sanctions over Crimea.
European stocks closed slightly higher on Thursday, despite concerns about the unwinding of ultra-easy monetary policy in the U.S.
CNBC's Dominic Chu reports the S&P has revised its credit outlook on the Russian Federation from stable to negative.
CNBC's Eamon Javers reports President Obama announced the U.S. will sanction an additional 20 Russian officials.
U.K. prime minister David Cameron calls on the EU to act with a "clear and united voice" to sanction Russia's "unacceptable" behavior.
Political and diplomatic isolation will hurt Putin's pride says Lithuania president, Dalia Grybauskaité, adding that Russia should be suspended from the G8.
Alexander Stubb, Finalnd's minister for European affairs and foreign trade, says that while there isn't much that can be done to counter Russia's annexation of Crimea, Europe is acting in a united way.
President Obama says the U.S. will impose additional sanctions on Russia including on senior officials in Russian government and a bank that provides material support. Additionally, the U.S. will impose sanctions on key sectors of the Russian economy that could potentially disrupt global markets.
CNBC's Eamon Javers reacts to President Obama's decision to ratchet up sanctions against Russia including a Russian bank.
Nina Schick, policy advisor at OpenEurope, discusses what the future holds for Ukraine and outlines sanctions the West could impose that would "hurt" Russia.
We're "seeing history being made" at great speed as from Friday, Crimea will officially and legally be Russian, NBC's Jim Maceda reports, adding that the West is expanding its list of Russian citizens to be sanctioned.
Joseph Dayan, executive director at BCS Prime Brokerage, says that several European Union countries have different economic contracts with Russia, making a cohesive sanction plan difficult for the 28-nation bloc.
CNBC's Julia Chatterley, discusses what actions European Union leaders might take against Russia and whether more sanctions are in the pipeline.