A gas mask is seen on the barricade of anti-government protesters at the site where clashes with riot police had occurred, in Kiev January 29, 2014. Ukrainian Prime Minister Mykola Azarov resigned on ... more 
A gas mask is seen on the barricade of anti-government protesters at the site where clashes with riot police had occurred, in Kiev January 29, 2014. Ukrainian Prime Minister Mykola Azarov resigned on Tuesday while deputies loyal to President Viktor Yanukovich, acting to calm violent street protests, back-tracked and overturned anti-protest laws they rammed through parliament 12 days ago. REUTERS/Thomas Peter (UKRAINE - Tags: POLITICS CIVIL UNREST) less 
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Reuters | Photo By THOMAS PETER / Reuters
Wed, Jan 29, 2014 11:53 AM EST