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Fighters from a coalition of Islamist forces raise their flag on March 29, 2015, above a ripped poster of Syrian President Bashar al-Assad at the headquarters of the police forces in the Syrian city of Idlib, the second provincial capital to fall from government control. The capture is a blow to the Syrian regime and raises the prospect that the city will become the effective capital of territory held by Al-Qaeda's Syrian wing, Al-Nusra Front, analysts said. AFP PHOTO / AMC / ZEIN AL-RIFAI (Photo credit should read ZEIN AL-RIFAI/AFP/Getty Images)

Fighters from a coalition of Islamist forces raise their flag on March 29, 2015, above a ripped poster of Syrian President Bashar al-Assad at the headquarters of the police forces in the Syrian city of Idlib, the second provincial capital to fall from government control. The capture is a blow to the Syrian regime and raises the prospect that the city will become the effective capital of territory held by Al-Qaeda's Syrian wing, Al-Nusra Front, analysts said. AFP PHOTO / AMC / ZEIN AL-RIFAI        (Photo credit should read ZEIN AL-RIFAI/AFP/Getty Images)