After weeks of tension in Crimea, shots have reportedly been fired by Russian troops at a Ukrainian naval base.
A Russian state-owned energy firm has proposed to develop Crimea's oil and gas sector, which includes a Ukrainian-owned company.
Reporter Avedis Hadjian talks to Ukrainians on the streets of Kiev, in the tent villages of Maidan Square and in pro-Russian enclaves in Crimea.
This is not the first time that Putin's close aide and envoy on missile defense makes a controversial comment.
Will Russia's Baltic naval base at Kaliningrad be Putin's next move? And is Russia prepared for the West's response?
The West will not recognize the annexation, and the EU and U.S. may go to the U.N. to voice opposition.
There are significant shale natural gas reserves on the continent.
More than 93 percent of Crimeans on Monday voted to split from Ukraine and join Russia.
The Russian president looks ready to annex Crimea as soon as Tuesday.
An executive order by President Obama has targeted key advisers to President Putin.
A Kremlin-backed journalist went on national TV and said Russia is the only country ready to turn the U.S. into radioactive ash.
With over half the votes counted, 95.5 percent had chosen the option of annexation by Moscow.
Kiev and the West call that scenario "illegitimate."
Latest attack comes after a killing in Donetsk; 2,000 pro-Russian protesters attack a pro-Ukraine group.
The EU and the US have threatened to impose visa bans on at least 13 prominent Russian politicians and businessmen.
The prosecutor general of Russia is requesting that the sites be added to a blacklist as tensions rise in Ukraine.
In an unusually robust and emotional speech, German Chancellor Angela Merkel warned of "catastrophe" unless Russia changes course.
The Fox News host says Obama's appearance with Zach Galifianakis is unpresidential because Lincoln wouldn't have done the same thing.
Moldova is nervously watching the fate of Ukraine's autonomous region of Crimea as a sign of Russian encroachment.
Vladimir Putin was unsettled by the fate of Ukraine's president, but his military reaction was a sign of weakness, experts said.
Poland has 48 F-16 fighters but the Baltic states -- Estonia, Latvia and Lithuania -- look to NATO for serious defense capabilities.
The suggestion Obama's projection of weakness is primarily to blame for Putin’s actions in Ukraine is unsubstantiated and historically incorrect.