At a time when Mr Trump faces an impeachment inquiry, the move drew swift and sharp criticism from both Republicans and Democrats in Congress, along with many national defence experts, who say it has endangered not only the Kurds and regional stability but also USA credibility.
Trump said on Thursday that he hoped he could mediate between Turkey and the SDF but kept open the possibility of doing "something very, very tough with respect to sanctions and other financial things" against Ankara.
The divided UN Security Council failed to agree on Turkey's offensive in northeast Syria on Thursday, with Europeans demanding a halt to military action and Syrian ally Russian Federation calling for "restraint" and "direct dialogue" between the two countries.
The European council members" statement also urged protection of civilians and said "it is unlikely that a so-called "safe zone' in northeast Syria, as envisioned by Turkey, would satisfy global criteria for refugee return".
He said a convoy of 20 armoured vehicles carrying Syrian rebels entered Syria from Ceylanpinar on Friday.
Fighting raged in northeastern Syria on Friday as Turkish forces and their proxies tried to seize key Kurdish-held towns on the third day of a long-threatened offensive.More news: Apple’s next year iPhone models will cost more than current gen models
Ankara considers the YPG, the backbone of the Syrian Democratic Forces which have led the fight against ISIS with United States backing, a terrorist group waging a separatist fight on Turkish territory.
They said one Turkish soldier was killed overnight, the first confirmed casualty on their side.
NATO Secretary-General Jens Stoltenberg acknowledged Turkey's legitimate security concerns about the Syrian Kurdish fighters, but warned that the offensive could "jeopardize" progress made against the Islamic State terror group.
Ankara has also said it intends to create a "safe zone" for the return of millions of refugees to Syria.
The SDF have been the main allies of USA forces on the ground in the battle against ISIL since 2014. They have been holding thousands of captured IS fighters in prisons and tens of thousands of their relatives in detention.
French Foreign Minister Jean-Yves Le Drian called for an emergency meeting of the US-led coalition against IS.More news: Padres pitcher tased, arrested after allegedly trespassing through doggie door
The United States has received a high-level commitment from Turkey on taking responsibility for ISIL captives but had not yet had detailed discussions, the official said.
"You have never been honest", Erdogan said, addressing the EU.
The IRC's Misty Buswell said: "If the offensive continues it's possible a total of 300,000 people could be displaced to already overstretched camps and towns still recovering from the fight against IS".
The SDF said Turkish air strikes and shelling had killed nine civilians.
About 64,000 people have fled border towns in northeast Syria since artillery began to rain down in the region Wednesday, according to the International Rescue Committee. The towns of Ras al-Ayn and Darbasiya have become largely deserted.More news: Tekashi 6ix9ine Signs A Two-Album Deal Worth $10 Million
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