The Kurdish-led group which governs northeast Syria on Friday rejected a constitutional declaration issued by the new Islamist leadership in Damascus and called for it to be rewritten.

Syria's interim government said it has reached a landmark agreement to integrate Kurdish-led forces into state institutions as it continues to try to unify the country following years of civil war.

Syria’s interim government has announced the end of a days-long military operation against insurgents loyal to ousted president Bashar Assad and his family.

Turkish President Tayyip Erdogan welcomed an agreement between the Kurdish-led and U.S.-backed Syrian Democratic Forces and Syria's new government, saying all Syrians stood to gain from the deal. "The full implementation of the agreement reached yesterday in Syria will contribute to the country’s security and stability.