Protesters loyal to the Shi’ite al-Houthi rebel group burn an effigy of a U.S. aircraft during a demonstration to protest against what they say is U.S. interference in Yemen, including drone strikes, after their weekly Friday prayers in the Old Sanaa city April 12, 2013. REUTERS/Khaled Abdullah (YEMEN – Tags: POLITICS CIVIL UNREST RELIGION) – RTXYISW