Shi’ite protesters shout slogans during demonstration to denounce the assassination of Ahmad Sharafeddin, a leader of the Yemeni Shi’ite Muslim Houthi group, in Sanaa January 23, 2014. Unknown assailants shot and killed Sharafeddin on Tuesday while he was on his way to attend reconciliation talks in the Yemeni capital, officials at the talks said. REUTERS/Khaled Abdullah (YEMEN – Tags: POLITICS CIVIL UNREST)