Article Photos: Sunni fighters expand offensive in western Iraq 16/37

Volunteers of the newly formed "Peace Brigades" participate in a parade in Basra, Iraq's second-largest city, 340 miles (550 kilometers) southeast of Baghdad, Iraq, Saturday, June 21, 2014. The armed group was formed after radical Shiite cleric Muqtatda al-Sadr called to form brigades to protect Shiite holy shrines against possible attacks by Sunni militants. (AP Photo/Nabil Al-Jurani)