Who’s backing IS? It’s not Iran because IS is Sunni.

The two-pronged operation against IS and militants from the Kurdistan Workers Party (PKK) — two groups who are themselves bitterly opposed — came after a week of deadly violence in Turkey the authorities blamed on the organisations.

The Turkish F-16 jets all returned safely to their base in the southeastern city of Diyarbakir early Saturday after the latest raids, the official Anatolia news agency reported. MORE