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.
Israeli warplanes fire missiles near Damascus, Syria. A pro-opposition war monitor says army positions and Iran-backed militias are targeted, killing 12 fighters. Syria says eight fighters are wounded and Israel intends to "save the armed terrorist organisations which have been collapsing in Idlib and western Aleppo Governorate in front of the strikes of the Syrian Army".
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.
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 captures the entire northern Hama-southern Idlib rebel pocket, asserting control over the strategic towns of Kafr Zita, Al-Lataminah and Murak, as well as numerous villages and an archaeological site, following the withdrawal of rebel forces.
Sky News journalist Alex Crawford and her media team are fired on by Syrian Army tanks in the Tahrir al-Sham-held village of Hbit, Idlib Governorate, while covering the fighting there. Their guide, Bilal Abdul Kareem, is injured by shrapnel to his chest.