Iraqi Shiite Fighter

Iraqi Shiite Fighter

Haidar Hamdani/AFP via Getty Images

A Shiite Muslim fighter, loyal to Iraqi Shiite cleric Moqtada al-Sadr, takes part in combat training near the city of Najaf on August 23, 2014, before joining the government forces to fight Islamic State jihadists in the Jurf al-Sakhr area, south of Baghdad.