TIME | Tens of Thousands Flee Syria's Largest City TIME By AP | + Turkpix / AP In this Tuesday, July 24, 2012 photo, a Syrian boy sits atop a damaged military tank at the border town of Azaz, some 20 miles (32 kilometers) north of Aleppo, Syria. Turkey sealed its border with Syria to trucks on Wednesday, ... Syrian refugees flee Aleppo attacks Tens of thousands flee Syria's embattled city of Aleppo Turkey Strengthens Forces on Syrian Border |