A protester waves Turkey's national flag while others shout slogans in front of the Russian Istanbul consulate during a demonstration against Russia's Syria policy on November 24, 2015 in Istanbul. NATO member Turkey on Tuesday shot down a Russian fighter jet on the Syrian border, threatening a major spike in tensions between two key protagonists in the four-year Syria civil war. AFP PHOTO/OZAN KOSE / AFP / OZAN KOSE        (Photo credit should read OZAN KOSE/AFP/Getty Images)