"Coordination and consultation between the United States and Turkey on issues of security concern is a better approach".
The approximately 50,000-strong Syrian Democratic Forces are a mix of Kurdish and Arab fighters and have been the primary ground force fighting ISIS in much of the country.
Turkish forces have been firing across the border for five days in preparation for what President Recep Tayyip Erdogan says will soon be an offensive, the first by Turkey across the Euphrates, to crush the Kurdish forces along the breadth of the Turkish frontier.
The head of Al-Raqqa Doctors' Syndicate, Jamal al-Issa, said the new mass grave includes more than 1,500 bodies who were killed by airstrikes of the USA -led coalition that gave cover to US -backed Syrian fighters who captured Raqqa from IS in October past year.
The U.S. has been in touch with Turkey and a Kurdish-dominated Syrian militia to emphasize the need "to de-escalate the situation", he said.
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The suicide bomber was shot by the security forces but that could not prevent him from detonating, said Mujahid. Kandaharians will cast their votes in 173 polling stations across the province.
"We will destroy the terror structure east of the Euphrates River".
The forces of Turkey and the US-led coalition have been carrying out independent patrols in Manbij since June 18.
Ankara considers the militia a terror threat and an extension of Kurdish rebels waging an insurgency within Turkey.
On Wednesday, Turkish shelling of Kurdish positions in the Kobane sector of northern Syria killed four fighters, according to Turkey's state-run Anadolu news agency. The Kurdish-led People's Protection Units (YPG) operate under the umbrella of the SDF-a US-backed patchwork of armed groups formed in 2015 in order to oust the Islamic State (IS) from northeastern Syria.
US -backed Kurdish fighters in Syria said Wednesday they are temporarily suspending their campaign against the last batch of territory held by Islamic State militants in northeast Syria, accusing Turkey of jeopardizing their efforts.
Earlier this year, Turkey and the USA agreed the YPG would withdraw from Manbij.
Beirut-based analyst Nour a-Din al-Omar, who recently conducted research in Kurdish-held areas of northern Syria, suggests that some Kurdish political and military officials fear that their forces could once again be left to fend for themselves. It was the second time this week that the Turkish military fired on SDF forces east of the Euphrates. Conducting joint patrols is seen as a way to tamp down potential violence between the various groups in the area. Turkey, however, still wants Kurdish forces in Manbij to withdraw from the town.