I heard a rumor about this in March.

Here’s more rumors about it.

No force will pull out of Syria, stand by for the largest Middle Eastern war with Iran and Hezbollah

French Special Forces are also setting up multiple military bases in Northern Syria:

http://thesaker.is/may-21-2018-syrian-army-liberates-southern-damascus-as-isis-withdraws/

Why are they doing that?