Comment: A series of tweets by HTS commander Atrash called on rebel groups to dissolve and join an opposition interim government, angering many hardliners, writes Mona Alami.
The US has reiterated that the al-Qaeda-linked Syrian rebel alliance Hayat Tahrir al-Sham is a terrorist group after media reports emerged, claiming the extremists had evaded the classification.
Comment: As the US increases support to Kurds fighting IS, 'de-escalation zones' could be used to obliterate opposition forces who are fighting against both Assad and al-Qaeda-linked fighters.
The rebuke follows reports circulated by some Arab media outlets on Saturday claiming that Turkish armoured vehicles and infantry would cross into the border province following a recent de-escalation agreement.
Syrian activists have reported relative calm in wide parts of Syria after was deal hammered out by Russia, Turkey and Iran to set up "de-escalation zones" in mostly rebel-held areas.
The extremist Hayaat Tahrir al-Sham Syrian rebel alliance arrested on Monday well-known opposition fighter 'Abu TOW' after he posted images online making fun of them.
Fierce clashes between jihadists and rebels near Damascus left at least 40 dead and 70 wounded on Friday, a monitoring group said.
Qatar responded to comments made by the Iraqi PM on Wednesday, suggesting it had excluded Baghdad from a deal to secure the release of a hunting party.
A UN convoy was blocked at a Houthi checkpoint on the outskirts of the besieged city of Taiz this week by rebels who reportedly seized the cargo.
Comment: The Syrian revolution was about Syrians uniting, regardless of confession, but Assad and Iran are deliberately cultivating sectarianism to their advantage, writes Sam Hamad.