Anti-government protesters hold shields as they guard the Ukrainian Parliament building in Kiev February 22, 2014. The heads of four Ukrainian security bodies, including the police's Berkut anti-riot ... more 
Anti-government protesters hold shields as they guard the Ukrainian Parliament building in Kiev February 22, 2014. The heads of four Ukrainian security bodies, including the police's Berkut anti-riot units, appeared in parliament on Saturday and declared they would not take part in any conflict with the people. REUTERS/Vasily Fedosenko (UKRAINE - Tags: POLITICS CIVIL UNREST) less 
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Reuters | Photo By VASILY FEDOSENKO / REUTERS
Sat, Feb 22, 2014 8:48 AM EST