As fighting continues in the Idlib Governorate, the Syrian Army takes control of rebel-stronghold Kafranbel for the first time since 2012, and 18 nearby villages including Sheikh Dames and Sheikh Mustafa.
Turkish-backed rebels launch an offensive in the Idlib Governorate against government forces. A Russian air strike kills two Turkish soldiers and wounds five others, while Turkey says a retaliatory strike killed 50 Syrian troops. Several tanks and armoured personnel carriers are destroyed near the village of Nayrab.
Turkish President Recep Tayyip Erdoğan says Turkey will not allow Syria's military to gain more ground in the rebel-held Idlib Governorate, as the Syrian Army captures several more villages near the city of Saraqib. Turkish officials say intermittent clashes between Turkish and Syrian troops have continued since Monday.
Syrian Army shelling kills Turkish military personnel in Idlib Governorate, prompting retaliation by Turkish forces. A pro-opposition war monitor says the Turkish retaliation killed 13 Syrian soldiers, which Syria denies. The Russian Ministry of Defence says Turkey moved troops "inside the de-escalation zone [...] without notifying the Russian side". Turkish President Erdoğan says the Syrian shelling killed five Turkish soldiers and three civilian personnel, with nine others injured, and that the Russians "need to stand aside".
The Syrian Army, backed by Russian Air Force support, enters the largely deserted city of Ma'arrat al-Nu'man in the northern Idlib Governorate. Only light resistance is reported as most rebel groups, including Hayat Tahrir al-Sham, withdrew their fighters. The city had been under rebel control since October 2012.
The Syrian Army continues its offensive in southern Idlib Governorate towards the key rebel-held city of Ma'arrat al-Nu'man, capturing several towns and villages, including Jarjnaz and Sarman. Around 30,000 civilians have fled the area in recent days, according to the Syrian Observatory for Human Rights.
The Syrian Army enters the strategic town of Khan Shaykhun in the Idlib Governorate for the first time since losing control of the town to rebels in 2014, according to the Syrian Observatory for Human Rights.
Airstrikes hit Darkush in Idlib Province near the Turkish border, killing at least 23 people, according to the Syrian Observatory for Human Rights. At least 25 died when rebels shelled government-held areas of Aleppo. Friday is the last day of a 72-hour Syrian Army-sponsored ceasefire.