Russian ambassador to Turkey <a href="https://en.wikipedia.org/wiki/Andrei_Karlov" id="mwAVk" rel="mw:WikiLink" title="Andrei Karlov">Andrei Karlov</a> is <a href="https://en.wikipedia.org/wiki/Assassination_of_Andrei_Karlov" id="mwAVo" rel="mw:WikiLink" title="Assassination of Andrei Karlov">assassinated</a> while at an art exhibition in <a href="https://en.wikipedia.org/wiki/Ankara" id="mwAVs" rel="mw:WikiLink" title="Ankara">Ankara</a>. The assassin, Mevlüt Mert Altıntaş, is shot and killed by a Turkish guard.