TOPSHOT - A member of the Syrian Democratic Forces (SDF) points as he stands on a staircase inside a building in the village of Susah in the eastern province of Deir Ezzor, near the Syrian border with Iraq on September 13, 2018. - US-backed fighters are fighting in Deir Ezzor to oust Islamic State jihadists from the town of Hajin on the east bank of the Euphrates, the most significant remnant of the sprawling "caliphate" the jihadists once controlled spanning Syria and Iraq. (Photo by Delil souleiman / AFP)