A rebel fighter from the Ahrar al-Sham Islamic Movement fires a weapon during what the rebel fighters said was an offensive to take the northwestern city of Idlib March 24, 2015. An alliance of Syrian Islamist rebels including al Qaeda's official wing said they had launched an offensive on Tuesday to take the northwestern city of Idlib, which is close to the main strategic highway linking Damascus to Aleppo. Picture taken March 24, 2015. REUTERS/Khalil Ashawi TPX IMAGES OF THE DAY