| CNN.com delivers up-to-the-minute news and information on the latest top stories, weather, entertainment, politics and more. | Ultimatum for Ukrainian forces? | | Russia warned Ukrainian forces in Crimea to clear out by 5 a.m. Tuesday local time or face a "military storm," according to Russia's Interfax news agency. |
| 20 questions | | Russia approved the use of military force in Ukraine on Saturday, despite warnings of consequences from the West, and Ukraine responded by saying any invasion into its territory would be illegitimate. |
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