Turkey bogged down in Syria as it realigns with Russia

This still image taken from drone footage posted online Monday, Jan. 2, 2017 by the Aamaq News Agency, a media arm of the Islamic State group, purports to shows an aerial image of a neighborhood damaged by Turkish airstrikes in the northern Syrian town of al-Bab, in Aleppo province, Syria. Nearly two months into the assault, Turkey has become bogged down in an unexpectedly bloody fight to retake the Islamic State group's last stronghold in northern Syria. It has been forced to pour in troops, take the lead in the battle from its Syrian allies and reach out to Russia for aerial support -- a move that tests its alliance with the United States and the Syrian opposition. This still image taken from drone footage posted online Monday, Jan. 2, 2017 by the Aamaq News Agency, a media arm of the Islamic State group, purports to shows an aerial image of a neighborhood damaged by Turkish airstrikes in the northern Syrian town of al-Bab, in Aleppo province, Syria. Nearly two months into the assault, Turkey has become bogged down in an unexpectedly bloody fight to retake the Islamic State group's last stronghold in northern Syria.