TOPSHOT - Russian President Vladimir Putin pays his respects to slain Russian Ambassador to Turkey Andrei Karlov, during the funeral ceremony at the Russian Foreign Ministry in Moscow on December 22, 2016. Russian President Vladimir Putin on December 22 bade farewell to Andrei Karlov at a packed memorial ceremony in Moscow for the diplomat who was assassinated in Turkey by an off-duty policeman. (Photo by Alexey NIKOLSKY / Sputnik / AFP) (Photo by ALEXEY NIKOLSKY/Sputnik/AFP via Getty Images)