A view is seen through the scope of a weapon belonging to an Ahrar al-Sham Islamic Movement rebel fighter in the northwestern city of Idlib March 26, 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 26, 2015. REUTERS/Khalil Ashawi