Riot police stand in a cordon facing a barricade of anti-government protesters in Kiev February 7, 2014. The United Nations on Friday defended its efforts to encourage a peaceful resolution to the ... more 
Riot police stand in a cordon facing a barricade of anti-government protesters in Kiev February 7, 2014. The United Nations on Friday defended its efforts to encourage a peaceful resolution to the crisis in Ukraine but declined to comment on a leaked audio recording in which a U.S. official referred to discussing plans for Kiev with the world body. REUTERS/David Mdzinarishvili (UKRAINE - Tags: POLITICS CIVIL UNREST TPX IMAGES OF THE DAY) less 
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Reuters | Photo By DAVID MDZINARISHVILI / REUTERS
Fri, Feb 7, 2014 2:57 PM EST