The basic problem is that Recep Tayyip Erdoğan , Turkey's president, believes indigenous Kurds in those areas and in south-east Turkey pose a bigger threat than does Isis. This perceived ambivalence has led to numerous accusations of tacit Turkish support..."
https://www.theguardian.com/world/2016/jun/29/turkey-pays-price-erdogan-blindness-to-isis-threat
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