Pro-Iraqi government fighter walks past sandbags during a siege from the Islamic State (IS) group on the outskirts of the Shiite Muslim area of Aziz Balad in the Saladeddin province, north of Tikrit

Pro-Iraqi government fighter walk through a muddy field during a siege from the Islamic State (IS) group on the outskirts of the Shiite Muslim area of Aziz Balad in the Saladeddin province, north of Tikrit

A pro-Iraqi government fighter looks on holding a machine gun during a siege from the Islamic State (IS) group on the outskirts of the Shiite Muslim area of Aziz Balad in the Saladeddin province, north of Tikrit

Pro-Iraqi government forces holding off a siege from the Islamic State (IS) group stand near a check point on the outskirts of the Shiite Muslim area of Aziz Balad in the Saladeddin province, north of Tikrit