Islamic Front rebels fire at targets purportedly belonging to Syrian President Bashar al-Assad's government.<br/> <br />(Natsound - "We got him! We got him! God is the greatest.")<br/> <br />Anti-Assad rebel groups are battling Syrian government forces for control of Aleppo, Syria's largest city.<br/> <br />The rebels have held the city for almost two years with Western support -- but the government appears to be gaining ground.<br/> <br />Here, a factory burns, apparently after an aerial bombing by government forces, although civil defense workers at the scene say noone was killed.<br/> <br />(SOUNDBITE) (Arabic) CIVIL DEFENSE WORKER SAYING:<br/> <br />"The regime is targeting the same neighborhood, the same spot repeatedly at the same time, thereby hindering the rescue and evacuation process we are trying to do."<br/> <br />But it's not just Assad's regime the rebels are fighting.<br/> <br />They're also being threatened by the encroaching Islamic State, the fundamentalist group that is sweeping across northern Syria and I
