A Syrian youth walks over the rubble of a destroyed house in Al-Bab in the northern province of Aleppo on September 1. Syrian rebels launched deadly attacks on the military in a campaign increasingly ... more 

A Syrian youth walks over the rubble of a destroyed house in Al-Bab in the northern province of Aleppo on September 1. Syrian rebels launched deadly attacks on the military in a campaign increasingly targeting its air power, as President Bashar al-Assad's traditional ally Russia said it was "naive" to expect him not to fight back less