Rebels clash with Assad forces in Syria (29 images)

A Syrian rebel fighter stands his position in the Old City of Alepp man wounded by shelling is treated at a makeshift hospital at in Aleppo, Syria, September 12, 2012. Syrian rebels have vowed to retake control of the large Hanano army base in Aleppo, a few days after loosing control of it to Syrian government forces. UPI/Ahmad Deeb

A Syrian man wounded by shelling is treated at a makeshift hospital at in Aleppo, Syria, September 12, 2012. Syrian rebels have vowed to retake control of the large Hanano army base in Aleppo, a few days after loosing control of it to Syrian government forces. UPI/Ahmad Deeb

A Syrian rebel fighter stands on a picture of Syrian President Bashar al-Assad, in the Old Town of Aleppo, Syria, September 12, 2012. Syrian rebels have vowed to retake control of the large Hanano army base in Aleppo, a few days after loosing control of it to Syrian government forces. UPI/Ahmad Deeb

A Syrian rebel fighter stands his position in the Old City of Aleppo, Syria, September 12, 2012. Syrian rebels have vowed to retake control of the large Hanano army base in Aleppo, a few days after loosing control of it to Syrian government forces. UPI/Ahmad Deeb