A young woman walks past heavily-armed soldiers displaying no identifying insignia in a street in the city center on March 1, 2014 in Simferopol, Ukraine.
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Heavily-armed soldiers displaying no identifying insignia maintain watch in a street in the city center.
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Pro-Russian sympathizers chanting "Russia, Russia! Simferopol, Simferopol! Sevastopol, Sevastopol! Berkut, Berkut!" hold up a giant Russian flag as they march in the Simferopol city center.
Pro-Russian sympathizers chanting "Russia, Russia! Simferopol, Simferopol! Sevastopol, Sevastopol! Berkut, Berkut!" march in the city center.
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A so-called "Maidan's self defence unit" marches past Independence square in central Kiev.
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Unidentified armed men patrol in front of Crimean parliament in Simferopol.
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Members of a so-called "Maidan's self defence unit" stand by in Independence Square in central Kiev.
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A protester stands by near Independence Square in central Kiev.
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Heavily-armed soldiers without identifying insignia guard the Crimean parliament building next to a sign that reads: "Crimea Russia" after taking up positions there earlier in the day.
The soldiers' arrival comes the day after soldiers in similar uniforms stationed themselves at Simferopol International Airport and Russian soldiers occupied the airport at nearby Sevastapol in moves that are raising tensions between Russia and the new Kiev government.
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Unidentified armed men in military uniform block a Ukrainian military base in Balaklava, Crimea, Ukraine.
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Heavily-armed soldiers without identifying insignia guarding the Crimean parliament building look on as a group of men, who moments later identifed themselves as pro-Russian, approach.
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Heavily-armed soldiers displaying no identifying insignia maintain watch in a street in the city center.
People hold placards reading 'Crimea is Ukraine' and a map of Ukraine during a rally in Independence Square in Central Kiev. Ukraine accused Russia on Saturday of sending thousands of extra troops into Crimea as the Kremlin vowed to help restore calm on the flashpoint peninsula and Washington warned of "costs" to Moscow should it use force.
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People hold placards reading 'Crimea is Ukraine' during a rally in Independence Square in central Kiev.
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Pro-Russian sympathizers wave the orange and black colors of Russian military valor as one man holds a sign that reads: "We will free Ukraine from American occupation" at an anti-American rally, hours after heavily-armed, unidentifed soldiers took up positions around the nearby Crimean Parliament.
Wounded supporters of Ukraine's new government sit on the ground, in an area protected by the police, after clashes with pro-Russian protesters in central Kharkiv.
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Pro-Russia activists clashed with supporters of the new Ukrainian government in the eastern Ukrainian city of Kharkiv on Saturday and tried to seize the regional governor's headquarters, Interfax news agency said.
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Heavily-armed soldiers without identifying insignia guard the Crimean parliament building after taking up positions there earlier in the day as mostly pro-Russian sympathizers look on.
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Heavily-armed soldiers without identifying insignia guard the Crimean parliament building shortly after taking up positions there.
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A Ukrainian man is injured in a stampede at a rally held by ethnic Russians and Crimean Tatars near the Crimean parliament building on Feb. 26, 2014. President Vladimir Putin put Russian combat troops on high alert Wednesday, the Kremlin's most powerful gesture yet since its ally Viktor Yanukovych was toppled as president of Ukraine. Thousands of ethnic Russians, who form the majority in Ukraine's Crimea region, demonstrated for independence. They scuffled with rival demonstrators, mainly from the Tatar minority, who support the new authorities in Kiev.
Police forces intervene as a group of Russian supporters gather in front of the parliament building in Simferopol, the capital of the Autonomous Republic of Crimea. Two different groups of around 60 armed men raided and occupied the buildings on Feb. 27, 2014.
Ukrainian men help pull one another out of a stampede between ethnic Russians and Crimean Tatars near the parliament building in Simferopol as a flag of Crimea can be seen in the background on Feb. 26, 2014.
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A man receives medical treatment after he was injured during clashes betrween ethnic Russians and Crimean Tatars in Simferopol on Feb. 26, 2014.
The Russian flag is raised after the regional government and parliament buildings in Simferopol were raided and occupied on Feb. 27, 2014. This has led police forces to tighten security measures in front of the parliament building.
Pro-Russian demonstrators rally in central Simferopol on Feb. 27, 2014. Ukraine issued a blunt warning to Russia after dozens of pro-Kremlin gunmen in combat fatigues seized parliament and government buildings on the volatile Crimean Peninsula. Moscow said it was protecting Ukraine's ousted leader.
Pro-Russian demonstrators warm themselves near a bonfire as they rally near the Crimean parliament building in Simferopol on Feb. 27, 2014.
Sheep graze next to an old election sign on a road from Simferopol to Sevastopol on Feb. 27, 2014. The sign reads, "Yanukovych is the hope of Crimea."
