A draft UN Security Council resolution circulated would authorise the delivery of humanitarian aid to Syria across the borders of Turkey and Iraq.
Leaders of the opposition training camp were among those killed in an air strike in Jabal al Dweila, according to a Syrian opposition spokesperson.
Leader Abu Muhammad al Jolani has signalled the group is willing to move towards a more political manifesto, but it is far from a monolithic entity and as the regime advances on Idlib it could lose its bargaining power.
"We will never withdraw from the zone," says Hayat Tahrir al Sham, the largest militant group in northwestern Idlib, two days after regime announced a truce between it and opposition forces.
Air strikes on the largely opposition and rebel-controlled region of northern Idlib followed air raids on Tuesday night and Wednesday that killed 23 civilians.
Commenting on the explosion in Jisr al Shughur town of Idlib province, chief of the Syrian Observatory for Human Rights Rami Abdel Rahman says "it is not known until now whether it was a car bomb, or the explosion of a car carrying explosives."
Two weeks after capturing one of Syria's significant rebel strongholds, former Al Qaeda affiliate HTS is trying to strike a moderate tone, but the people who fought and defeated them previously refuse to trust them.
Days of fighting between the Hayat Tahrir al Sham (HTS) alliance and Turkey-backed National Liberation Front (NLF) ended after the parties reached a ceasefire agreement in Idlib.
The Idlib deal prevented a massive humanitarian tragedy in the making. But will it hold, and what's next for Syria?
The regime's Deputy Foreign Minister Faisal Mekdad says Tel Aviv will have to make accurate calculations "if it thinks to attack Syria again." It comes after Russia announced the delivery of S-300s to Bashar al Assad's regime within two weeks.
The Syrian regime warned people in the rebel-held Idlib province the war was nearing its end in leaflets dropped over the northwestern region.
Five children and three women are among those killed on Quneitra's border with Daraa province, according to the Syrian Observatory for Human Rights. The war monitor says it's unclear whether the strikes were carried by the regime or its Russian ally.
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