hamza bin ladin. he has called on his followers to call on attacks against the united states and allies. osama bin laden was killed in 2011. they indicate hamza bin ladin was being groomed for leadership. the u.s.-backed syrian democratic forces have started their final push on the last bit of territory inside syria. the military says it's advanced more than 1 kilometer into the enclave. heavy fighting, though, is under way. three sdf fighters have been wounded so far. all this despite the u.s. president's claim that all isis territory there had already been taken. the operation started friday as the civilians were moved out of harm's way. a spokesperson tweeted this, after comrades, the operation to clear isis has started at 1,800