FSA fighters captured the southern sector of Deir Ezzor Air Base after violent clashes with regime forces. A mass grave containing 35 bodies was discovered near an oil field in the province. Violent clashes broke out between the Free Syrian Army and ISIS fighters in Abu Kamal, with reports of the death of 50 ISIS fighters, including brother of Saddam al-Jamal, an ISIS commander. (Source: LCC + Syrian Coalition)