Turkey alarmed by Russian troop build up in northern Syria:
"We have said this from the beginning: we won't tolerate such formations (In northern Syria) along the area stretching from the Iraqi border up to the Mediterranean," Erdogan told reporters after Friday prayers in Istanbul. Ref. Source 9h.
Turkish air forces on alert after alleged airspace violation by Russian warplane:
Turkish Air Forces are ready to shoot down any aircraft out of order after Ankara claimed that a Russian SU-34 war plane violated Turkey's airspace on Friday, local daily Hurriyet reported on Saturday. Ref. Source 7e
Apologizing for shoot-down of Russian warplane is "Out of questoin", says Turkish PM:
Turkey's Prime Minister Binali Yildirim denied on Tuesday that his government apologized for shooting down a Russian warplane last year over Turkey's border with Syria clarifying that his country only "Expressed sadness over the incident." Ref. Source 8z.
Andrey Karlov, Russia's ambassador to Turkey, was killed in a shooting in Ankara on Monday, a spokeswoman for Russia's foreign ministry announced on Russian television. Ref. CNN.