The leader of an an Qaeda - linked group tells Syrian rebels to stop infighting . According to activists and seasoned observers , the backlash against ISIS by more than one rebel faction across multiple provinces overwhelmed the group that claims tens of thousands of fighters among its ranks and just weeks ago appeared the most predominant military force in northern Syria with powerful influence over the majority of population centers . More than 100 people are killed in four days of fighting between two rebel groups . If fighting goes on , ` ` The whole country ... will pay the price , '' says al Nusra Front leader . ` ` The ( Syrian ) regime will rebound after it was near disappearing , '' he adds .
The leader of an an Qaeda - linked group tells Syrian rebels to stop infighting . More than 100 people are killed in four days of fighting between two rebel groups . If fighting goes on , ` ` The whole country ... will pay the price , '' says al Nusra Front leader . ` ` The ( Syrian ) regime will rebound after it was near disappearing , '' he adds .