John Herbst, Former U.S. Ambassador to Ukraine from 2003 to 2006, explains why the results of the referendum vote doesn't really reflect sentiment in the region.
Graeme Gill, Professor, Department of Government and International Relations at the University of Sydney, says the referendum in east Ukraine may further strain ties between Kiev and pro-Russian forces.
President Vladimir Putin flew in to Crimea on Friday for parades marking the Soviet victory in World War Two.
Tony Brenton, former U.K. ambassador to Russia, says Russia is trying to "get the temperature down" regarding Ukraine and start a discussion process with the West.
Otilia Dhand, vice president at Teneo Intelligence, says Russia is interested in seeing Ukraine federalized rather than sending in troops to East Ukraine.
Discussing Russian President Vladimir Putin's intention for Ukraine, and whether it's safe to do business there, with Robert Bensh, Pelicourt managing director.
CNBC's Michelle Caruso-Cabrera asks whether Russian President Vladimir Putin was really dovish on Wednesday.
The U.S. disputes Russia's claims that its troops have been pulled back from the Ukrainian border, the U.S. ambassador to Ukraine tells CNBC
U.S. Ambassador to Ukraine, Geoffrey Pyatt, spoke to CNBC's Dina Gusovsky for more insight into the Ukrainian crisis as well as the Russian, EU, and American role in the conflict, more potential sanctions, and what we should expect to happen next.
Pro-Moscow separatists in eastern Ukraine ignored a public call by Russian President Vladimir Putin to postpone a referendum.
Geoffrey Pyatt, U.S. ambassador to Ukraine, discusses the mixed signals Putin is sending and if peace is possible in Ukraine.
If Russia were to invade Ukraine, the numbers indicate a one-sided affair. But the numbers don't tell the whole story.
CNBC's Michelle Caruso-Cabrera reports Russian President Putin is ready to have a dialogue to end the crisis in Ukraine.
The Russian leader is calling for separatist in eastern Ukraine to postpone the May 11th referendum, reports CNBC's Michelle Caruso-Cabrera.
As tensions in Ukraine escalate, power players from both sides of the conflict may be reaping benefits.
Robert Hormats, Kissinger Associates vice chairman, provides perspective on the growing unrest between Ukraine and Russia.
Discussing Russia President Vladimir Putin's popularity, and the intensifying situation in Ukraine, with Miles Nadal, MDC Partners Chairman & CEO.
NBC's Keir Simmons reports a third Ukrainian military helicopter has been shot down, and City Hall is being run by pro-Russian militia.
Carsten Fritsch, commodity analyst at Commerzbank, says the price for wheat is likely to continue to rise on concerns about U.S. crops and the continued conflict in Ukraine.
Since the start of the Ukrainian conflict, Russia has increased its air activity over the Pacific Ocean, near California and the island of Guam.