The leader of ultranationalist group Right Sector, Dmytro Yarosh, centre, pauses, during his press statement, in Kiev, Ukraine, Tuesday, March 25, 2014. Yarosh lashed out at the killing of activist Oleksandr Muzychko, and said authorities responsible should be made to pay the price. "We cannot silently watch as the Interior Ministry carries out active antirevolutionary activities." Yarosh demanded the immediate resignation of Interior Minister Arsen Avakov. (AP Photo/Efrem Lukatsky)