A Kurdish peshmerga fighter takes up position at the front line against the Islamic State, in Khazir
A Kurdish peshmerga fighter takes up position at the front line against the Islamic State, in Khazir September 7, 2014. Islamic State launched a lightning advance through northern and central Iraq in June, declaring an Islamic caliphate. With the help of U.S. air strikes, Iraq's army and Kurdish forces have been able to push the fighters back from some areas. REUTERS/Ahmed Jadallah (IRAQ - Tags: CIVIL UNREST CONFLICT)
Followers of the Shi'ite Houthi movement flee as riot police disperse them along a main road leading to the airport in Sanaa
Followers of the Shi'ite Houthi movement flee as riot police use water canons and tear gas to disperse them along a main road leading to the airport in Sanaa September 7, 2014. Protesters from the Shi'ite Muslim group the Houthis cut off the road between the capital and Yemen's main airport while warplanes bombed Houthi rebel positions in the north on Sunday in a sharp escalation of weeks of tensions with the government. REUTERS/Khaled Abdullah (YEMEN - Tags: POLITICS CIVIL UNREST)
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Followers of the Shi'ite Houthi movement flee as riot police disperse them along a main road leading to the airport in Sanaa
Followers of the Shi'ite Houthi movement flee as riot police use water canons and tear gas to disperse them along a main road leading to the airport in Sanaa September 7, 2014. Protesters from the Shi'ite Muslim group the Houthis cut off the road between the capital and Yemen's main airport while warplanes bombed Houthi rebel positions in the north on Sunday in a sharp escalation of weeks of tensions with the government. REUTERS/Khaled Abdullah (YEMEN - Tags: POLITICS CIVIL UNREST)
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A Kurdish peshmerga fighter uses a pair of binoculars to look at tanks shelling Islamic State positions at the Khazir front line
A Kurdish peshmerga fighter uses a pair of binoculars to look at tanks shelling Islamic State positions at the Khazir front line leading to Mosul September 7, 2014. Islamic State launched a lightning advance through northern and central Iraq in June, declaring an Islamic caliphate. With the help of U.S. air strikes, Iraq's army and Kurdish forces have been able to push the fighters back from some areas. REUTERS/Ahmed Jadallah (IRAQ - Tags: CIVIL UNREST CONFLICT)
A Kurdish peshmerga fighter holds his AK47 rifle on the front line with the Islamic State, in Khazir
A Kurdish peshmerga fighter holds his AK47 rifle on the front line with the Islamic State, in Khazir near Mosul September 7, 2014. Islamic State launched a lightning advance through northern and central Iraq in June, declaring an Islamic caliphate. With the help of U.S. air strikes, Iraq's army and Kurdish forces have been able to push the fighters back from some areas. REUTERS/Ahmed Jadallah (IRAQ - Tags: CIVIL UNREST CONFLICT)
A Kurdish peshmerga fighter takes up position with an RPG launcher at the front line against the Islamic State, in Khazir
A Kurdish peshmerga fighter takes up position with a rocket-propelled grenade (RPG) launcher at the front line against the Islamic State, in Khazir September 7, 2014. Islamic State launched a lightning advance through northern and central Iraq in June, declaring an Islamic caliphate. With the help of U.S. air strikes, Iraq's army and Kurdish forces have been able to push the fighters back from some areas. REUTERS/Ahmed Jadallah (IRAQ - Tags: CIVIL UNREST CONFLICT)
A Kurdish peshmerga fighter prays in a shelter at the front line against the Islamic State, in Khazir
A Kurdish peshmerga fighter prays in a shelter at the front line against the Islamic State, in Khazir near Mosul September 7, 2014. Islamic State launched a lightning advance through northern and central Iraq in June, declaring an Islamic caliphate. With the help of U.S. air strikes, Iraq's army and Kurdish forces have been able to push the fighters back from some areas. REUTERS/Ahmed Jadallah (IRAQ - Tags: RELIGION CIVIL UNREST CONFLICT)
A Kurdish peshmerga fighter takes up position at the front line against the Islamic State, at Khazir near Mosul
A Kurdish peshmerga fighter takes up position at the front line against the Islamic State, at Khazir near Mosul September 7, 2014. Islamic State launched a lightning advance through northern and central Iraq in June, declaring an Islamic caliphate. With the help of U.S. air strikes, Iraq's army and Kurdish forces have been able to push the fighters back from some areas. REUTERS/Ahmed Jadallah (IRAQ - Tags: CIVIL UNREST CONFLICT)