Shiite faithful worshippers pray inside the holy shrine of Imam Abbas during Muharram, an important period of mourning for Shiites in the Shiite holy city of Karbala, 50 miles (80 kilometers) south of Baghdad, Iraq, Wednesday, Nov. 13, 2013. The remembrance of Muharram marks the anniversary of the Battle of Karbala when Imam Hussein, a grandson of Prophet Muhammad, was killed. (AP Photo/Hadi Mizban) **FILE**