Looks like the SDF has pulled out of Serekaniye/Ras al-Ain, the city on the central part of the border with Turkey.
SDF has declared that they have withdrawn from the 32 km section of the safe zone for which they had agreed upon for the cease fire (such as it was), between Ras al-Ain and Tel Abiad to its west. Notably, this means that the Turkish backed militias control part of the M4 highway which connects the eastern part of the northern country to the west.
There is fighting reported around Ayn Issa (south of Tal Abiad) and Kobane, with shelling reported in both areas. Here’s an update from the RIC: