Searchers comb through the debris of destroyed buildings in the aftermath of a strike by Syrian government forces in the Jabal Bedro neighborhood of Aleppo, Syria, on Tuesday, Feb. 19, 2013, in this citizen journalism image provided by the Aleppo Media Center and authenticated based on its contents and other AP reporting. (AP Photo/Aleppo Media Center)
Searchers comb through the debris of destroyed buildings in the aftermath of a strike by Syrian government forces in the Jabal Bedro neighborhood of Aleppo, Syria, on Tuesday, Feb. 19, 2013, in this citizen journalism image provided by the Aleppo Media Center and authenticated based on its contents and other AP reporting. (AP Photo/Aleppo Media Center)
Free Syrian Army fighters take their positions during clashes with government forces in Qusair, in Syria's Homs province, on Sunday, Jan. 20, 2013. Syrian government troops battled rebels in several areas outside Damascus on Sunday while regime warplanes bombed opposition-held areas around the capital, including an airstrike on one village that killed at least seven people, activists said. (AP Photo/Yong Homsi Lens)
Free Syrian Army fighters take their positions during clashes with government forces in Qusair, in Syria's Homs province, on Sunday, Jan. 20, 2013. Syrian government troops battled rebels in several areas outside Damascus on Sunday while regime warplanes bombed opposition-held areas around the capital, including an airstrike on one village that killed at least seven people, activists said. (AP Photo/Yong Homsi Lens)
Free Syrian Army fighters take their positions during clashes with government forces in Qusair, in Syria's Homs province, on Sunday, Jan. 20, 2013. Syrian government troops battled rebels in several areas outside Damascus on Sunday while regime warplanes bombed opposition-held areas around the capital, including an airstrike on one village that killed at least seven people, activists said. (AP Photo/Yong Homsi Lens)
Syrians run to aid the injured in the aftermath of a strike by Syrian government warplanes on the residential neighborhood of Maadamiyeh, south of Damascus, Syria, on Monday, Jan. 14, 2013. (AP Photo/Shaam News Network via AP video)
Syrians run to aid the injured in the aftermath of a strike by Syrian government warplanes on the residential neighborhood of Maadamiyeh, south of Damascus, Syria, on Monday, Jan. 14, 2013. (AP Photo/Shaam News Network via AP video)
More than 2,000 detainees were released Wednesday by the Syrian government as rebels freed 48 Iranians held since August in the first major prisoner swap of the country’s civil war. The uprising against Mr. Assad began in March 2011. (Associated Press via IHH)
More than 2,000 detainees were released Wednesday by the Syrian government as rebels freed 48 Iranians held since August in the first major prisoner swap of the country’s civil war. The uprising against Mr. Assad began in March 2011. (Associated Press via IHH)
