Officials from the OSCE special mission in Ukraine leave the mayor's office with a detained international observer (C), in Slaviansk April 27, 2014. One of the eight European observers being detained ... more 
Officials from the OSCE special mission in Ukraine leave the mayor's office with a detained international observer (C), in Slaviansk April 27, 2014. One of the eight European observers being detained by pro-Russian separatists in the eastern Ukraine city of Slaviansk on Sunday evening was escorted to an Organisation for Security and Cooperation in Europe (OSCE) vehicle and driven away. REUTERS/Gleb Garanich (UKRAINE - Tags: POLITICS CIVIL UNREST) less 
1 / 30
Reuters | Photo By GLEB GARANICH / REUTERS
Sun, Apr 27, 2014 1:14 PM EDT