Video: Russian ambassador to Turkey shot dead on live TV

Russia's ambassador to Turkey Andrei Karlov was shot dead by a police officer during a televised speech in Turkey's capital Ankara on Monday evening. The gunman is later seen firing shots in air and shouting, "Allahu Akbar". He is also heard saying, "Don't forget Aleppo. Don't forget Syria. Unless our towns are secure, you won't enjoy security."