A Syrian activist spokesman reported Monday that rebel fighters, largely from the Jabhat al-Nusra, gained control of the hydro-electrical Euphrates dam at Tabaqa after minimal resistance. The dam, the largest of its kind in Syria, supplies water and energy to much of Syria. According to some sources, the jihadis are not fully in control of the dam but only surrounded it. According to some sources, the jihadis are not fully in control of the dam but have only surrounded it.