In this Wednesday, Aug. 1, 2012 photo, Free Syrian Army soldiers are seen during clashes with government forces at the south-west district of Salah al-Din in Aleppo, Syria. Syrian troops launched a ground assault Wednesday on the besieged northern city of Aleppo, but activists said rebels forces were fighting back in a battle for the country's largest city that has raged for more than two weeks. (AP Photo/Alberto Prieto)
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