Tensions between the group and Sunni Islamist groups cumulated through 2013. The group initially cooperated with the Dawn of Islam Brigade in Daraa.[9] In October 2013, 2 fighters from the Sultan Pasha al-Atrash Battalion were captured by the "Sharia Commission in Daraa" and sentenced to death.[4]. Some time in late 2013, 1st Lt. Fadlallah Zinedine was captured and detained for several hours by al-Qaeda's al-Nusra Front in Daraa.[2]