Australia and Italy have received terror warnings through a statement, purportedly from militants linked to al Qaeda, that demanded those countries withdraw troops from Iraq. The message was posted on an Islamist Web site Saturday and was signed by a group identifying itself as Islamic Unification (Islamic Tawhid), an al Qaeda-linked organization in Europe. To Italy, which has about 2,700 troops in Iraq, the militants warned “you will have columns of car bombs shaking your cities,” if the government maintains its military presence in Iraq. The warning also addressed the Australian government, which has about 880 military personnel and another 120 security forces in Iraq. Full Story