Syria’s final rebel stronghold Syrian government troops are gathering on the outskirts of Idlib province ahead of an assault on the final rebel stronghold, controlled by Hayat Tahrir Al-Sham (HTS) and the rival Syrian Liberation Front* * HTS is Al Qaeda-linked, Syrian Liberation Front is hardline Islamist Sarmada, Monday: 69 people killed when explosion at HTS arms dump destroys two five-storey apartment blocks Government control Rebel control Kurdish control Turkish control Observation posts Russian Turkish Iranian Syrian troops Iskenderun TURKEY Jebal Turkman Mediterranean Sea Menagh Syrian Air Base Salwa Simeon Mount Eall Rifai Jabal Aqil Anak Mount Rashidin Salqin IDLIB PROVINCE Al Eis Idlib Afis Syrian Air Base Jisr al-Shugu Ishtabraq Mount Tell Tuqan Ayn Rihaniya Maidan Ghazal Surman Khan Sheikhoun Wadi Basur Latakia Khmeimim Russian Air Base Suqaylabiyah Muhardah Marzaf Suran Morek Abu Dali Shaykh Barakah Abu ad Dhuhur Syrian Air Base Abu Dhuhur Hamidiyah Al Hader Shughaydilah Qudidhi Aleppo Mayer SYRIA 40km 25 miles Sources: Syrian Observatory for Human Rights, Middle East Eye © GRAPHIC NEWS