Syrian Rebels, Assad Forces Clash in Aleppo

A truck catches flames after it was hit by rockets fired by a Syrian Air Force fighter plane during an air strike in the village of Tel Rafat, some 37 km (23 miles) north of Aleppo, August 9, 2012.

A general view shows a street after clashes between Free Syrian Army fighters and forces loyal to President Bashar Al-Assad, in Salah Edinne district, in the center of Aleppo, August 9, 2012.

A Free Syrian Army fighter fires an anti-aircraft gun as a Syrian Air Force fighter bomber fires rockets during an air strike in the village of Tel Rafat, some 37 km (23 miles) north of Aleppo, August 9, 2012.

In this photo taken on guided government tour, Syrian army forces are seen at al-Sijen district, in the center of Aleppo, August 9, 2012.

A Syrian man reacts after the funeral of 29 year-old Free Syrian Army fighter, Husain Al-Ali, who was killed during clashes in Aleppo, in the cemetery in town of Marea on the outskirts of Aleppo city, August 9, 2012.

Men search for bodies under rubble of a house destroyed by a Syrian Air force air strike, in Tel Rafat, about 37 kilometers north of Aleppo, Syria, August 8, 2012.

In this citizen journalism image provided by Shaam News Network SNN, Syrians attend the funeral procession of a man killed in Idlib province, August 7, 2012.

A Free Syrian Army fighter runs after a Syrian Army tank shell exploded in the Salah al- Din neighbourhood of central Aleppo, August 5, 2012.

Free Syrian Army fighters fire their rifles during clashes with Syrian Army soldiers in the Salah al- Din neighbourhood of central Aleppo August 5, 2012.

Free Syrian Army fighter holds a RPG launcher during clashes with Syrian Army in the Salah al- Din neighbourhood of central Aleppo August 5, 2012.

This image map provides an overview of the activity seen in Aleppo from July 23, 2012 to August 1, 2012 (base image collected on July 29, 2012).

More than 600 probable artillery impact craters, represented here with yellow dots, were identified in Anadan, in the vicinity of Aleppo.

In this August 5, 2012 photograph, Syrians pass by a destroyed house in town of Atareb outskirts of Aleppo, Syria.

Free Syrian Army fighter runs for cover during clashes with Syrian Army soldiers in the Salah al- Din neighborhood of central Aleppo August 5, 2012.

Syrian women mourn the loss of loved ones in Aleppo fighting, August 5, 2012.