Even as it fought Daesh, the Kurdish-led Syrian Democratic Forces also came under threat from Damascus, which has sworn to retake the third of the country the SDF controls.
King Salman told Arab monarchs, presidents and prime ministers at the meeting that his country "absolutely rejects" any measures affecting Syria's sovereignty over the Golan Heights.
US President Donald Trump showed off maps that illustrate the dramatic shrinking of territory held by the militant group in the period from his election in 2016 and now.
A new team set up by the global toxic arms watchdog to identify the culprits behind attacks in Syria has drawn up a list of its first investigations, the organisation’s chief said.
The Britain-based monitor said Russian aircraft carried out the air raids, but Moscow denied it was responsible.
One of two rockets fired hit a house and “lightly wounded” five in the town of Ceylanpinar in Sanliurfa province on Monday night, the provincial governor’s office said in a statement.
At least 45 other people were wounded in the air raid that hit “a wholesale vegetable market in the town of Maaret al-Numan” in Idlib province, the Syrian Observatory for Human Rights said.
There has been concern in recent days over reports that hundreds of Syrian refugees have been sent back to Syria, after being forced to sign consent forms in Turkish that they do not understand.
Regime air strikes on Tuesday killed 11 civilians in opposition-held northwest Syria, the target of months of bombardment by the government and its ally Russia, a war monitor said.