The State Department said it was assessing indications that the regime used chemical weapons on Sunday during its offensive in Idlib, the most significant remaining holdout of rebels.
Experts argue that Washington is likely to end up hurting its own policies if it does not intervene and stop its allies in northern Syria from a resource grab.
The fate of Idlib ought to be the major concern of the free world, yet all it garners, at best, is a few words of concern and condemnation.
Turkish and Russian defence ministers discussed measures to reduce tension in Idlib as Syria's northwestern region comes under increasing fire by the regime and its ally Russia.
The Syrian Observatory for Human Rights and White Helmets Civil Defence say scores of people have been killed since the Assad regime and its Russian ally renewed violence in Idlib and Hama provinces 13 days ago.
Health facilities are hit, diplomatic efforts are failing, and thousands are fleeing. The Damascus regime and its Russian allies attack northwest Syria.
The US State Department's special envoy to Syria, James Jeffrey, will lead a delegation to meet Turkish officials to discussTurkey's security concerns in Syria following the US withdrawal from the country.
Syria's northwestern city of Azaz is just a 20 minute drive from the border with Turkey and it is a gateway to Europe for any Daesh fighters wanting to escape the war.
Top EU sources told TRT World the differences between Bashar al Assad and the armed opposition over the nature of the constitutional committee have been narrowed down.
The US administration has dropped any pretence of following diplomatic norms or international law and Ankara has called them on it every step of the way.
Local elections in Turkey are taking on the character of general elections as foreign policy comes to dominate the conversation.
After Syria, Russia focuses its attention on Libya by supporting mercenaries and sending weapons to Khalifa Haftar, who is controlling the east of the country.
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