A member of jihadist group Al-Nusra Front stands in a street of the northern Syrian city of Aleppo on January 11, 2014. Fighting pitting the Islamic State of Iraq and the Levant (ISIL) against other rebel groups -- including Al-Nusra Front, which is also linked to Al-Qaeda but is seen as more moderate -- broke out in Syria last week. AFP PHOTO / BARAA AL-HALABI        (Photo credit should read BARAA AL-HALABI/AFP/Getty Images)