It comes after a four-way summit on Syria in Istanbul together with Germany's Angela Merkel, France's Emmanuel Macron and Russia's Vladimir Putin. It said U.S-led coalition forces had supported the SDF in fending off the Islamic State attack, and heavy losses were inflicted on the Islamists.
The Turkish army struck Kurdish targets in northern Syria east of the Euphrates River on Sunday.
Ankara is determined to continue efforts to find solution to Syrian issue on Astana platform as well as some other wider platforms in the global arena "like today's summit in Istanbul", he went on to assert.
French President Emmanuel Macron speaks during a news conference after a Syria summit, in Istanbul, Turkey October 27, 2018. The Turkish leader also stressed that the return of Syrians to their homeland should be voluntary and that the United Nations is needed to coordinate this process.
"Creating it will become a part of the political settlement in Syria", Macron said.
Asked about the possibilities of a second summit of the four countries, Putin said the countries have "not negotiated this yet, but everything is possible".
"We proposed to our partners that Russia's initiative to convene an worldwide conference on Syrian refugees be supported".
However, whether or not those forced to flee the country would be allowed to vote in a future election was left for the separate press conferences.
"Nothing big should be expected of this weekend's summit", said Tobias Schneider, a research fellow at the Berlin-based Global Public Policy Institute.
The leaders of Russian Federation and three North Atlantic Treaty Organisation nations met Saturday for talks aimed at finding an end to Syria's long war, whose possible final stages are now being shaped by Moscow and other outside powers.
The Syrian Observatory for Human Rights said 72 SDF fighters were killed as Daesh took advantage of a sandstorm that hampered coalition air cover and dispatched suicide bombers as part of their fightback. The sides pointed out the need for holding a constitutional reform, setting the stage for free and fair elections under the supervision of the UN. He stressed the need to ensure the security of refugees wishing to return to their homeland.
They said a political process is needed to end the civil war.
The four leaders note that the way must be paved "for free and fair elections under the United Nations supervision and in compliance with the highest worldwide standards of transparency and accountability, with all Syrians, including members of the diaspora, eligible to participate".
Erdogan, a vocal opponent of Assad, agreed, saying that Syrians "inside and outside" the country must decide the president's fate.
Earlier this year, Turkey launched operation "Olive Branch" in Syria west of the Euphrates, successfully ousting YPG forces from their enclave in Afrin.
Under the deal, opposition groups in Idlib are to remain in areas where they are already present, while Russian Federation and Turkey carry out joint patrols in the area to help prevent the resumption of fighting.
"A solution can not happen through military means but only through political negotiations under the leadership of the United Nations".
