The Guardian reports: Amid the chaos in northern Syria in recent months, several themes have emerged.

The first is that Islamic State has been spared from intensified Russian airstrikes and advances by pro-regime forces. The second, and potentially more important development, is that one of the war’s least visible players – the Kurds – have done more than anyone else to carve out a new reality.

As Lebanese Hezbollah, militias from Iraq, and Syrian troops – all led by Iran – have inched their way around the top of Aleppo, the Kurdish YPG, supported by Russian air cover, has been making strident moves towards areas they have avoided throughout the conflict.

Over the weekend, the YPG moved towards two Syrian towns between the Turkish border and the almost besieged Aleppo, after earlier seizing an airbase that had been held by the opposition. Throughout the war, the YPG had been viewed warily by the opposition, and given a wide berth by the regime.

Now, though, its moves have sharply expanded a footprint in the north, alarming rebels who have been distracted by other foes, and Turkey, which had vowed never to let the Kurds dominate its border with Syria.

The Kurds are ascendant, and the Turks are enraged. Ankara sees YPG militants, who are affiliated with the Kurdistan Workers’ party (PKK), as vying to own areas they have never before controlled, to establish a foothold from Irfin in Syria’s north-west to the Iraqi border, a frontier dominated for decades by Arabs.

Helping the YPG do that are the same Russian jets that are steadily destroying Turkish-supported rebel groups, whose three-year push to oust Bashar al-Assad increasingly looks lost. [Continue reading…]