Announcements by Asaib Ahl al-Haq and Imam Ali Brigades come as Iraq's recently-elected PM has made establishment of state monopoly on arms a key focus, facing pressure from US ERBIL, Iraq (AP) — Two of Iraq’s most powerful Iran-backed militias said on Tuesday they would begin handing in their weapons to the authorities, a major step in the new government’s effort to rein in militias that have long operated on their own eve... [3060 chars]