Asaib Ahl al-Haq Shi'ite militia fighters from the south of Iraq and Kurdish peshmerga forces walk with their weapons as they take control of Sulaiman Pek from the Islamist State militants, in the northwest of Tikrit city September 1, 2014. REUTERS/Youssef Boudlal (IRAQ - Tags: CIVIL UNREST POLITICS MILITARY)