Syrian Kurdish fighters completed their withdrawal from a strip of land on the Syrian-Turkish border ahead of a Tuesday evening deadline agreed between Moscow and Ankara
Turkey launched a military operation against Kurdish fighters in northeast Syria on Wednesday just days after US troops pulled back from the area
Iraqi forces set a tight deadline Friday for Kurdish fighters to withdraw from an area on the Turkish border that is critical for oil exports, a government source told AFP.
The offensive, which follows weeks of soaring tensions between two US allies in the battle against the Islamic State, aims to retake oil fields and military bases that Kurdish forces seized during the fightback against the jihadists.
The United States on Tuesday expressed "deep concern" over Turkish air strikes against Kurdish fighters in Syria and Iraq and said they were not authorized by the US-led coalition fighting Islamic State.
Syrian government forces clashed with Islamic State group fighters for a fourth day on Tuesday in an eastern city where a jihadist assault has left more than 100 dead, a monitor said.
Turkish President Recep Tayyip Erdogan condemned the United States' support of Kurdish fighters in Syria after AFP pictures revealed US commandos wearing the insignia of a militia branded a terror group by Ankara.
Turkey will continue to strike back at Kurdish fighters of the Democratic Union Party (PYD) in Syria, Prime Minister Ahmet Davutoglu told German Chancellor Angela Merkel on Sunday, despite growing pressure on Ankara to stop the shelling.