File photo of protestors in Kiev.
Washington:
The State Department is warning US citizens to put off all non-essential travel to Ukraine, and particularly Crimea.
The department cited "the potential for instability" following the ouster of Viktor Yanukovych as president and the establishment of a new government.
Ukrainian officials say armed men described as Russian troops took control of key airports in Crimea on Friday and Russian transport planes flew into the strategic region.
President Barack Obama spoke of "reports" of military movements inside Ukraine, and officials said the US does believe that Russia is intervening.
The State Department warns all US citizens in Ukraine, and those considering travel there, to be aware of the possibility of violence.
The department cited "the potential for instability" following the ouster of Viktor Yanukovych as president and the establishment of a new government.
Ukrainian officials say armed men described as Russian troops took control of key airports in Crimea on Friday and Russian transport planes flew into the strategic region.
President Barack Obama spoke of "reports" of military movements inside Ukraine, and officials said the US does believe that Russia is intervening.
The State Department warns all US citizens in Ukraine, and those considering travel there, to be aware of the possibility of violence.
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