 On 24 and 25 September, the SDF captured al-Hasia and Hassadjek, with clashes ongoing in Bayt Isa and Tall Saussine south of Tell Qara.After this the SDF reached within 20 km west of al-Bab city.On 28 September, ISIL launched a fourth counteroffensive, launching 2 car bombs at SDF checkpoints around Umm Qura and Umm Hosh and launching mortar shells on the SDF headquarters in the area.