Russian President Vladimir Putin. Photo: Wiki Commons.

FOX News – A protest by about 300,000 Ukrainians angered by their government’s decision to freeze integration with the West turned violent Sunday, when a group of demonstrators besieged the president’s office and police drove them back with truncheons, tear gas and flash grenades. Dozens of people were injured.

The mass rally in central Kiev defied a government ban on protests on Independence Square, in the biggest show of anger over President Viktor Yanukovych’s refusal to sign a political and economic agreement with the European Union.

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