Complex sentence: On 20 February, they captured four villages in the Makmen front including the strategic village of Sebah al-Xêr as well as a base station of Syriatel, thus cutting off the road between Makman and Raqqa, besieging three ISIL-held villages.
Split into simpler sentences: On 20 February, they captured four villages in the Makmen front including the strategic Sebah al-Xêr as well as a base station of Syriatel. They also cut off the road between Makman and Raqqa, besieging three ISIL-held villages.