European Union foreign policy chief Catherine Ashton speaks to members of the media in London February 21, 2014. The future for Ukraine will be very challenging and depend on how well Friday's deal ... more 
European Union foreign policy chief Catherine Ashton speaks to members of the media in London February 21, 2014. The future for Ukraine will be very challenging and depend on how well Friday's deal aimed at settling the crisis is implemented, Ashton said. REUTERS/Luke MacGregor (BRITAIN - Tags: POLITICS CIVIL UNREST) less 
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Reuters | Photo By LUKE MACGREGOR / REUTERS
Fri, Feb 21, 2014 1:00 PM EST