Masked Sunni gunmen walk with their weapons during clashes with Iraqi security forces outside the city of Falluja April 11, 2014. Government forces are fighting rebellious Sunni tribes and an al-Qaeda splinter group, the Islamic State in Iraq and the Levant (ISIL), in western Anbar province. Picture taken April 11, 2014. REUTERS/Stringer (IRAQ – Tags: CIVIL UNREST POLITICS CONFLICT)
