Turkey has shot down a Russian warplane that crossed into its airspace amid tension over Russia's targeting of ethnic Turkmen forces in Syria which Turkey considers its "brothers and sisters."
Since Russia's bombing campaign in Syria began about two months ago Russian jets have repeatedly crossed into Turkish airspace. Until now Turkey has been relatively sanguine about those incursions (though it did send a couple of military helicopters into Armenian airspace which observers interpreted as a message to Russia).
But by Tuesday, Ankara's patience had apparently worn out. After what Turkey claimed was a 17-second violation of its airspace, and ten warnings, Turkish F-16 jets shot down the Russian Su-24. It was apparently the first exchange of fire between a NATO member and Russia since the end of the Cold War.
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