Tens of thousands flee Syria's largest city
Mideast Syria
In this Sunday, July 29, 2012 photo, a Syrian boy stand in the rubble of a destroyed police station at the border town of Azaz, some 20 miles (32 kilometers) north of Aleppo, Syria. The U.N. said 200,000 Syrians have fled the embattled city of Aleppo since intense clashes between regime forces and rebels began 10 days ago. (AP Photo/Turkpix)