REFUGEES
Ankara says it wants to settle up to 2 million Syrian refugees in the zone, nearly halving the number sheltering in Turkey from Syria's more than eight-year conflict.
U.S. and Turkish troops have so far carried out half a dozen joint air missions over northeast Syria and three land patrols, including one on Friday. Washington deems these "concrete steps" to address Ankara's concerns. Turkey says it is not enough.
"Land patrols, air patrols - we are seeing all of these are fiction," Erdogan said on Saturday.
The SDF, which has said it will pull back up to 14 km (8.7 miles) on some parts of the border, is committed to the agreements under U.S.-Turkish talks and will remain so if "dangerous threats" stop, its spokesman Bali said.
In recent years, the Turkish military has launched two offensives with its Syrian allies in the northwest of the country and has forces stationed there.
Turkey's opposition allies pledged on Friday to back an offensive by Ankara east of the Euphrates, blaming the YPG for displacing Arabs from the region.
