(KIEV, Ukraine) -- Violent clashes erupted in Ukraine's capital Kiev on Sunday, as more than 100,000 protestors took to the streets.
The demonstrators filled Independence Square, angry over President Viktor Yanukovych's refusal to sign a far reaching trade deal with the European Union, opposed by the Kremlin. He argues the deal would put trade with Russia at risk.
Riot police have been using tear gas truncheons and flash grenades against protesters. Some Ukranians have been arrested and many are injured from the violence.
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