Aleppo's largest opposition fighting force Al-Tawhid Brigade[18] (formerly part of the Syrian Islamic Liberation Front) Salafist Ahrar ash-Sham[18] (formerly part of the Syrian Islamic Front)[19] Homs-based Liwa al-Haqq (formerly part of Syrian Islamic Front)[19] Idlib-based Suqour al-Sham (formerly part of the Syrian Islamic Liberation Front)[19] Damascus-based Jaysh al-Islam[18] (formerly part of Syrian Islamic Liberation Front)[19] Ansar al-Sham (formerly part of the Syrian Islamic Front)[19] Kurdish Islamic Front