The Turkish military continues to pressure the Kurdish People’s Protection Units (YPG) and the Kurdistan Workers’ Party (PKK) in northern Syria and Iraq.
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Map Update: Turkish Air Force Pounds PKK Targets In Northern Iraq Amid Preprations For Attack On Kurdish Forces In Northern Syria
It’s probably too late, they’re probably already heading to Syria if they haven’t already.
I have no Idea how many PKK will go to Syria and fight the Turks if the invasion does happen, there are supposedly 30,000 in total, and I’ll bet most of them will fight in Syria if not all. PUK also has nearly 30,000 but not too many of them will be able to join the fighting due to Iraqi government restrictions, though in saying that, it wouldn’t shock me if most of them deserted the Peshmerga and joined either the PKK or YPG.