Turkish President Recep Tayyip Erdoğan threatens to invade SDF-held areas in Northern Syria "today or tomorrow", after dubbing joint US-Turkish patrols per the buffer zone agreement a "fairy tale".
The Turkish Armed Forces conduct their first joint patrol with the United States Armed Forces near the Syrian town of Tell Abyad, within the context of the Northern Syria Buffer Zone agreement.
YPG units withdraw from Tell Abyad and Ras al-Ayn as the first stage of the Northern Syria Buffer Zone agreement enters into effect.
The Kurdish YPG calls on Syrian government troops to protect Manbij against what it calls a "Turkish invasion".
Turkey says that it has reached an in-principle deal with the United States to give support to some elements of Syrian opposition. Over a million Syrian refugees live in Turkish territory, including many Syrian opposition figures.
The Arab League grants the Syrian National Coalition the seat within its organisation formerly occupied by the Syrian Republic.