WATCH: Moment Russian envoy shot dead

A gunman shot dead Russia’s ambassador to Ankara, Andrey Karlov, at an art exhibition on Monday while shouting out “Aleppo” and “revenge” as he fired, an eyewitness said.

Also read: Russian Ambassador shot dead in Ankara

Turkish president Recep Tayyip Erdogan said in video message that the attacker was Mevlut Mert Aydintas, who worked for Ankara riot police for over two years.