The Associated Press
Ignoring President Barack Obama's warning that "there will be costs" if Moscow intervenes militarily in Ukraine, Russian President Vladimir Putin has sharply raised the stakes in the conflict over Ukraine's future, evoking memories of Cold War brinkmanship. The latest moves follow months of pro-democracy protests against the now-fugitive president, Viktor Yanukovych, and his decision to turn Ukraine toward Russia, its longtime patron, instead of the European Union.
Here are some images of the turmoil.
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