Syrian opposition fighters fire towards positions held by Islamic State group jihadists in al-Bab on the northeastern outskirts of the northern...
{"Image ImageDescription": "TOPSHOT - Syrian opposition fighters fire towards positions held by Islamic State (IS) group jihadists in al-Bab on the northeastern outskirts of the northern embattled city of Aleppo on December 13, 2016.  / AFP / Saleh ABO GHALOUN        (Photo credit should read SALEH ABO GHALOUN/AFP via Getty Images)"}