The international community condemned the assassination of Russia's Ambassador to Turkey, Andrey Karlov, at an art gallery in Ankara on Monday evening.
An off-duty policeman shot Karlov multiple times as the ambassador spoke at the opening of a photo exhibition.
Karlov was rushed to hospital but died of his injuries.
Turkish special forces shot the assailant dead at the scene.
The exhibition, titled "From Kaliningrad to Kamchatka, from the eyes of travellers," featured photos from Russia's westernmost Baltic region to the Kamchatka Peninsula, in the east.
Political leaders from around the world have condemned the attack.
US Secretary of State John Kerry called it an "act of violence."
— Department of State (@StateDept) 19 December 2016
US President-elect Donald Trump also condemned the attack.
Today there were terror attacks in Turkey, Switzerland and Germany - and it is only getting worse. The civilized world must change thinking!
— Donald J. Trump (@realDonaldTrump) 19 December 2016
NATO Secretary General Jens Stoltenberg expressed his condolences.
I condemn the killing of Russia’s amb to Turkey. My condolences to his family & Russian people. No justification for such a heinous act.
— Jens Stoltenberg (@jensstoltenberg) 19 December 2016
British Foreign Secretary Boris Johnson called it "a cowardly attack."
— Boris Johnson (@BorisJohnson) 19 December 2016
French President Francois Hollande condemned the attack "with force."
Je condamne avec force l’assassinat de l’Ambassadeur de Russie à Ankara.
— François Hollande (@fhollande) 19 December 2016
Social media was abuzz after the assassination.
Here are some other reactions from Twitter:
— Federica Mogherini (@FedericaMog) 19 December 2016
Israel condemns the brutal assassination of Ambassador Karlov in Ankara
We send our deepest condolences to his family and the Russian people
— PM of Israel (@IsraeliPM) 19 December 2016
2/2: On behalf of all Canadians, I offer my most sincere condolences to Mr. Karlov’s family and friends and to the Russian people
— Stéphane Dion (@MinCanadaFA) 19 December 2016
Deeply shocked by assassination of Russian Ambassador to Turkey, Andrei Karlov. I extend my condolences to his family and Russia.
— Margot Wallström (@margotwallstrom) 19 December 2016