
A rebel sniper aims at a Syrian army position on the outskirts of Aleppo, Syria, Wednesday, Nov. 14, 2012. Heavy clashes between rebel units and Bashar Assad's troops were ongoing in the northern city of Aleppo, the Syrian Observatory for Human Rights said Wednesday. (AP Photo/Khalil Hamra)

In this Friday, Sept. 21, 2012 photo, a Syrian woman holds a bouquet of flowers and rebel flag during a demonstration in the Bustan al-Qasr neighborhood of Aleppo, Syria. The Britain-based Syrian Observatory for Human Rights said Friday that nearly 30,000 Syrians have been killed during the 18-month uprising against the Assad regime. (AP Photo/ Manu Brabo)

In this Friday, Sept. 21, 2012 photo, a Syrian woman holds a bouquet of flowers and rebel flag during a demonstration in the Bustan al-Qasr neighborhood of Aleppo, Syria. The Britain-based Syrian Observatory for Human Rights said Friday that nearly 30,000 Syrians have been killed during the 18-month uprising against the Assad regime. (AP Photo/ Manu Brabo)

This citizen journalism image taken on Saturday purports to show anti-Syrian regime mourners carrying the coffins of Syrian citizens killed in shelling by Syrian troops in Daraa, Syria. According to the Britain-based Syrian Observatory for Human Rights, civilians were killed in heavy shelling on Saturday in Daraa, where the uprising began in March 2011. (Associated Press)

This citizen journalism image taken on Saturday purports to show anti-Syrian regime mourners carrying the coffins of Syrian citizens killed in shelling by Syrian troops in Daraa, Syria. According to the Britain-based Syrian Observatory for Human Rights, civilians were killed in heavy shelling on Saturday in Daraa, where the uprising began in March 2011. (Associated Press)

This citizen journalism image taken on Saturday purports to show anti-Syrian regime mourners carrying the coffins of Syrian citizens killed in shelling by Syrian troops in Daraa, Syria. According to the Britain-based Syrian Observatory for Human Rights, civilians were killed in heavy shelling on Saturday in Daraa, where the uprising began in March 2011. (Associated Press)