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Turkish demonstrators hold a banner and placards that read " we are with resistance against aggressors" as they protest Russian support to Assad regime in Syria, outside the Russian embassy in Ankara, Turkey, Tuesday, Nov. 24, 2015. Turkey shot down a Russian warplane Tuesday, claiming it had violated Turkish airspace and ignored repeated warnings. Russia denied that the plane crossed the Syrian border into Turkish skies. Russia said the Su-24 was downed by artillery fire, but Turkey claimed that its F-16s fired on the Russian plane after it ignored several warnings.(AP Photo)

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