SDF commander Mazloum Abdi said on Twitter an "historic, successful operation" resulted from joint intelligence work with the U.S.
Today, that problem is even more acute as the US weighs how to leave Syria.
Trump calls the "Beatles" – whose name he misspelled – the “worst of the worst.” The men were so named because they are alleged to be part of a UK ISIS team.
"Our heroic commandos taking part in Operation Peace Spring are continuing to advance east of the Euphrates (river)," the Defence Ministry wrote on Twitter. "The designated targets were seized."
The attacks come after the US announced that it would withdraw from Syria as Turkey prepares for a military operation to create a "safe zone" in northern Syria.
The protestors also called for the international coalition and the Syrian Democratic Forces to take control of the area.
Erdogan threatens: "... we will have to open the gates [to Europe].Either you support us or no one should feel sorry. We would like to host 1 million refugees in the safe zone.”
The Syrian government agreed to a ceasefire that started on Saturday morning "while reserving the right to respond to any violation by the terrorists," the state news agency SANA said.
Turkey, Syrian Kurds seem to be shifting tone from war preparations to preparing for negotiations.
Air and ground strikes killed 12 people in several areas including the town of Maarat al-Numan, the Observatory said.