Violence resumes in Kiev

People cheer as they listen to police officers from Lviv who have joined anti-government protesters during a rally in Independence Square in Kiev, Feb. 21, 2014.

Ukraine's President Viktor Yanukovych announced concessions to his pro-European opponents on Friday, including a plan to hold early elections, but it was unclear whether the opposition would accept such an EU-mediated deal to end a violent crisis.

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Anti-government protesters man the front line barricades following yesterday’s clashes with police in Independence square in Kiev, Feb. 21, 2014.

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A man walks amidst burning remains of fires at Independence square in Kiev, Feb. 21, 2014.

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Flowers are placed at the spot where an anti-government protester was killed during Thursday's clashes with riot police, Feb. 21, 2014.

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An anti-government protester mans a barricade in Kiev, Feb. 21, 2014.

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Anti-government protesters look out from a barricade in Kiev, Feb. 21, 2014.

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A priest sits holding a gas mask in Kiev, Feb. 21, 2014.

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An anti-government protester holds a firearm as he mans a barricade on the outskirts of Independence Square in Kiev, Feb. 20, 2014.

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Anti-government protesters carry an injured man on a stretcher after clashes with riot police in the Independence Square in Kiev, Feb. 20, 2014.

Ukrainian protesters hurling petrol bombs and paving stones drove riot police from the central square in Kiev on Thursday despite a "truce" which embattled Ukrainian President Viktor Yanukovich said he had agreed with opposition leaders.

WARNING: SOME OF THE FOLLOWING IMAGES CONTAIN GRAPHIC CONTENT

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Protesters catch fire as they stand behind burning barricades during clashes with police in Kiev, Feb. 20, 2014.

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A woman reacts as anti-government protesters place a dead body on a stretcher after violence erupted in the Independence Square in Kiev, Feb. 20, 2014.

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Anti-government protesters form a human chain as they carry rocks and tires to rebuild barricades following continued clashes with police in Independence square, Feb. 20, 2014.

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An anti-government protester waves the Ukrainian national flag from the top of a statue during clashes with riot police in Kiev's Independence Square, Feb. 20, 2014.

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Anti-government protesters stand on a grass bank during clashes with riot police near Independence Square in Kiev, Feb. 20, 2014.

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A man plays the trumpet as anti-government protesters continue to clash with police in Independence square, Feb. 20, 2014.

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A priest stands in the lobby of the hotel Ukraine near bodies of anti-government protesters killed during clashes with riot police in Kiev, Feb. 20, 2014.

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An injured man reacts as he is attended by anti-government protesters during clashes with riot police in the Independence Square in Kiev, Feb. 20, 2014.

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Anti-government protesters detain a wounded policeman (C) during clashes in Kiev's Independence Square, Feb. 20, 2014.

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Anti-government protesters detain a wounded policeman during clashes in Kiev's Independence Square, Feb. 20, 2014.

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An anti-government protester reacts following clashes with riot police in Independence Square, Feb. 20, 2014.

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An anti-government protester walks in Independence Square in central Kiev, Feb. 19, 2014.

Ukrainian President Viktor Yanukovych accused pro-European opposition leaders on Wednesday of trying to seize power by force after at least 26 people died in the worst violence since the former Soviet republic gained independence.

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Anti-government protesters walk amid debris and flames near the perimeter of Kiev's Independence Square, Feb. 19, 2014.

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A wounded anti-government protester is evacuated during clashes with riot police on Kiev's Independence square, Feb. 19, 2014.

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A man prays as people rest inside Mikhailovsky Zlatoverkhy Cathedral, which serves as a temporary shelter and a first-aid post for anti-government protesters, in Kiev, Feb. 19, 2014.

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Anti-government protesters help an injured man during clashes with riot police at Independence Square in Kiev, Feb. 18, 2014.

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Anti-government protesters throw missiles during clashes with riot police at the Independence Square in Kiev, Feb. 18, 2014.

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Anti-government protesters use a sling as they fire objects towards Interior Ministry members and riot police in central Kiev, Feb. 19, 2014.

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Clashes in Kiev's Independence Square, early Feb. 19, 2014.

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Ukrainian President Viktor Yanukovych addresses the nation on a live TV broadcast in Kiev, Ukraine, Feb. 19, 2014. In a statement published online early Wednesday, Yanukovych blamed opposition leaders for the violence, saying that they had “crossed a line when they called people to arms.”

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A man who was injured during clashes between anti-government protesters and Interior Ministry members and riot police receives medical treatment inside Mikhailovsky Zlatoverkhy Cathedral in Kiev, Feb. 19, 2014.

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Protesters throw stones during clashes with police in Kiev, Ukraine, Feb. 18, 2014.

Ukrainian protesters hurled petrol bombs, fireworks and stones at riot police on Tuesday, in the worst day of violence since demonstrations erupted against President Viktor Yanukovych 12 weeks ago.

A large section of the protest camp in the center of Ukraine's capital has been engulfed in flames as police advance on the demonstrators.

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Wounded people are seen after clashes with riot police in central Kiev, Feb. 18, 2014.

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Riot police clash with anti-government protesters outside Ukraine's parliament in Kiev, Feb. 18, 2014.

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Wounded people are seen after clashes with riot police in central Kiev, Feb. 18, 2014.

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An anti-government protester is engulfed in flames during clashes with riot police outside Ukraine's parliament in Kiev, Feb. 18, 2014.

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Interior Ministry members are on fire as they stand guard during clashes with anti-government protesters in Kiev, Ukraine, Feb. 18, 2014.

Ukraine's festering political crisis took a deadly turn Tuesday, as thousands of anti-government protesters clashed with police outside Ukraine's parliament. At least nine were killed in the melee, according to police.

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Anti-government protesters clash with police in the center of Kiev, Feb. 18, 2014.

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Interior ministry members take cover during clashes with anti-government protesters in Kiev, Feb. 18, 2014.

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An anti-government protester prepares to throw a brick during clashes with riot police in front of the Parliament in Kiev, Feb. 18, 2014.

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Anti-government protesters clash with riot police in central Kiev, Feb. 18, 2014.

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A wounded anti-government protester is pictured during clashes with police in Kiev, Feb. 18, 2014.

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People speak near a barricade on fire during clashes between anti-government protesters and Interior Ministry members in Kiev, Feb. 18, 2014.

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An anti-government protester reacts as he stands in front of the Interior Ministry officers' lines during clashes in Kiev, Feb. 18, 2014.

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Anti-government protesters clash with police in front of the Ukrainian Parliament in Kiev, Feb. 18, 2014.

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Interior Ministry members clash with anti-government protesters during a rally in Kiev, Feb. 18, 2014.

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Interior Ministry members injured during clashes with anti-government protesters are escorted by colleagues in Kiev, Feb. 18, 2014.

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Interior ministry members aim their rifles during clashes with anti-government protesters in a street near the parliament, Feb. 18, 2014.

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Interior Ministry members take cover behind shields near a truck during clashes with anti-government protesters in Kiev, Feb. 18, 2014.

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Interior ministry members take cover behind shields during clashes with anti-government protesters in Kiev, Feb. 18, 2014.

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Protesters place barricades during clashes with police in Kiev, Feb. 18, 2014.

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Interior Ministry members clash with anti-government protesters during a rally in Kiev, Feb. 18, 2014.

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Interior Ministry members injured during clashes with anti-government protesters sit in Kiev, Feb. 18, 2014.