Despite relative calm in fighting in many parts of Syria, the north-western Idlib province has been under heavy Russian and Syrian government bombardment after a March 2020 ceasefire between Russia and Turkey ended in June. Bashar al-Asad’s regime, backed by Iran and Russia, has been leading a campaign to retake control of Idlib, which is currently in the hands of former Al-Qa'ida affiliate, Hayat Tahrir al-Sham (HTS), and other jihadi groups. Turkey, which backs a number of rebel groups, including HTS, has sought to delay the regime offensive by trying to convince these groups to disarm and surrender territory along the strategic M4 and M5 highway…