An armed man, representing Ukrainian special forces, stands guard outside the regional administration building in Kharkiv

A masked armed man, representing Ukrainian special forces, stands guard outside the regional administration building in Kharkiv, April 8, 2014. Ukraine has launched an “anti-terrorist” operation in the eastern city of Kharkiv and about 70 “separatists” have been arrested for seizing the regional administration building, Ukrainian Interior Minister Arsen Avakov said on Tuesday. REUTERS/Olga Ivashchenko (UKRAINE – Tags: POLITICS CIVIL UNREST) – RTR3KCW9