By 26 January, Ahrar al-Sham and its allies had captured multiple villages in the northern part of the Jabal Zawiya region from JFS, in a region between Balyin, Kafr Naya, and Maarrat al-Nu'man. On the same day, militants loyal to JFS captured the strategic town of Halfaya from rival opposition forces. The next day, JFS forces attacked the headquarters of Jaysh al-Islam in northern Idlib. By 27 January, it was reported that JFS had lost over 35 fighters in the clashes with other rebel groups.