The Battlefront of the ISIS-PYD Encounter Ayn Al-Arab (Kobani)

When has the PKK and the PYD’s relation with the Asad Regime started and how has it evolved? Why has ISIS begun to target the PYD? What are the possible implications of the fall of Ayn Al Arab?

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The Battlefront of the ISIS-PYD Encounter Ayn Al-Arab Kobani