Iraqi policemen walk during a search operation for illegal weapons as part of intensified security measures, north of Baghdad
Iraqi policemen walk during a search operation for illegal weapons as part of intensified security measures, north of Baghdad June 30, 2014. Iraqi security forces intensified security measures in and around capital as Iraqi troops battled to dislodge an al Qaeda splinter group from the city of Tikrit after its leader was declared caliph of a new Islamic state in lands seized this month across a swathe of Iraq and Syria. REUTERS/Ahmed Saad (IRAQ - Tags - Tags: CIVIL UNREST)
Iraqi policemen look through a house during a search operation for illegal weapons as part of intensified security measures, north of Baghdad
Iraqi policemen look through a house during a search operation for illegal weapons as part of intensified security measures, north of Baghdad June 30, 2014. Iraqi security forces intensified security measures in and around capital as Iraqi troops battled to dislodge an al Qaeda splinter group from the city of Tikrit after its leader was declared caliph of a new Islamic state in lands seized this month across a swathe of Iraq and Syria. REUTERS/Ahmed Saad (IRAQ - Tags - Tags: CIVIL UNREST)
Iraqi policemen take part in a search operation for illegal weapons as part of intensified security measures, north of Baghdad
Iraqi policemen take part in a search operation for illegal weapons as part of intensified security measures, north of Baghdad June 30, 2014. Iraqi security forces intensified security measures in and around capital as Iraqi troops battled to dislodge an al Qaeda splinter group from the city of Tikrit after its leader was declared caliph of a new Islamic state in lands seized this month across a swathe of Iraq and Syria. REUTERS/Ahmed Saad (IRAQ - Tags - Tags: CIVIL UNREST)
Iraqi policemen look into a wardrobe in a house during a search operation for illegal weapons as part of intensified security measures, north of Baghdad
Iraqi policemen look into a wardrobe in a house during a search operation for illegal weapons as part of intensified security measures, north of Baghdad June 30, 2014. Iraqi security forces intensified security measures in and around capital as Iraqi troops battled to dislodge an al Qaeda splinter group from the city of Tikrit after its leader was declared caliph of a new Islamic state in lands seized this month across a swathe of Iraq and Syria. REUTERS/Ahmed Saad (IRAQ - Tags - Tags: CIVIL UNREST)
A policeman uses a scanner device to check a resident's car at a checkpoint as part of intensified security measures in Baghdad
A policeman uses a scanner device to check a resident's car at a checkpoint as part of intensified security measures in Baghdad June 30, 2014. Iraqi security forces intensified security measures in and around capital as Iraqi troops battled to dislodge an al Qaeda splinter group from the city of Tikrit after its leader was declared caliph of a new Islamic state in lands seized this month across a swathe of Iraq and Syria. REUTERS/Ahmed Saad (IRAQ - Tags: CIVIL UNREST TRANSPORT)
A policeman searches a vehicle at a checkpoint as part of intensified security measures in Baghdad
A policeman searches a vehicle at a checkpoint as part of intensified security measures in Baghdad June 30, 2014. Iraqi security forces intensified security measures in and around capital as Iraqi troops battled to dislodge an al Qaeda splinter group from the city of Tikrit after its leader was declared caliph of a new Islamic state in lands seized this month across a swathe of Iraq and Syria. REUTERS/Ahmed Saad (IRAQ - Tags - Tags: CIVIL UNREST TRANSPORT)
A policeman searches men at a checkpoint as part of intensified security measures in Baghdad
A policeman searches men at a checkpoint as part of intensified security measures in Baghdad June 30, 2014. Iraqi security forces intensified security measures in and around capital as Iraqi troops battled to dislodge an al Qaeda splinter group from the city of Tikrit after its leader was declared caliph of a new Islamic state in lands seized this month across a swathe of Iraq and Syria. REUTERS/Ahmed Saad (IRAQ - Tags: CIVIL UNREST)
Iraqi policemen check trunk of a vehicle at checkpoint during intensified security measures in Baghdad
Iraqi policemen check the trunk of a vehicle at a checkpoint during intensified security measures in Baghdad, June 30, 2014. Iraqi security forces intensified security measures in and around capital as Iraqi troops battled to dislodge an al Qaeda splinter group from the city of Tikrit after its leader was declared caliph of a new Islamic state in lands seized this month across a swathe of Iraq and Syria. Military vehicles and soldiers were deployed on a bridge overlooking Tigris river in north Baghdad to deter expected attacks by Sunni militants of Islamic State of Iraq and the Levant (ISIL). REUTERS/Ahmed Saad (IRAQ - Tags: CIVIL UNREST POLITICS MILITARY)
A handicapped Iraqi man walks past checkpoint during intensified security measures in Baghdad
A handicapped Iraqi man walks past a checkpoint during intensified security measures in Baghdad, June 30, 2014. Iraqi security forces intensified security measures in and around capital as Iraqi troops battled to dislodge an al Qaeda splinter group from the city of Tikrit after its leader was declared caliph of a new Islamic state in lands seized this month across a swathe of Iraq and Syria. Military vehicles and soldiers were deployed on a bridge overlooking Tigris river in north Baghdad to deter expected attacks by Sunni militants of Islamic State of Iraq and the Levant (ISIL). REUTERS/Ahmed Saad (IRAQ - Tags: CIVIL UNREST POLITICS MILITARY)
A policeman stands guard during intensified security measures in Baghdad
A policeman stands guard during intensified security measures in Baghdad, June 30, 2014. Iraqi security forces intensified security measures in and around capital as Iraqi troops battled to dislodge an al Qaeda splinter group from the city of Tikrit after its leader was declared caliph of a new Islamic state in lands seized this month across a swathe of Iraq and Syria. Military vehicles and soldiers were deployed on a bridge overlooking Tigris river in north Baghdad to deter expected attacks by Sunni militants of Islamic State of Iraq and the Levant (ISIL). REUTERS/Ahmed Saad (IRAQ - Tags - Tags: CIVIL UNREST POLITICS MILITARY)