Russia ambassador Andrey Karlov, died from his wounds sustained from the gun shots, A Russian minister said, concluding that the shooting was a terrorist attack.
“Don’t forget Aleppo, don’t forget Syria. Don’t forget Aleppo, don’t forget Syria," the gunman yelled in Turkish during the attack. "Until these places are safe you will not taste any safety either.”
Photos of the terrorist according to the Russian minister, who has been identified as Mevlut Mert Altintas, show a thin man gripping his pistol firmly with two hands.
Mevlut Mert Altintas, who will be 22 January, was said to be a member of the riot police in Ankara, though not confirmed which permits him access to the exhibition building through the use of his police Identity status, according to eye witnesses.
He was murdered by the Turkish Anti Terror police (TATP), the Ministry of Interior said. The ambassador was confirmed dead by the time he arrived at the hospital.
Altintas' mother and sister were taken into custody in the city of Izmir after the shooting.
According to state news agency from Russia, Tass, witnesses said Karlov was fired from behind by Altintas just after he delivered a speech at the Museum of Modern Art.
In a statement, the White House said the attack on Karlov was "heinous."
"The United States strongly condemns the assassination of the Russian ambassador to Turkey ... which reportedly also left others wounded. Our thoughts and prayers are with the families and loved ones of Ambassador Karlov and the other victims, and we offer our condolences to the Russian people and Government. This heinous attack on a member of the diplomatic corps is unacceptable, and we stand united with Russia and Turkey in our determination to confront terrorism in all of its forms," according to the statement.
Russia's Foreign Ministry released a statement on the incident condemning the attack.
"We strongly condemn this inhuman crime, which has the aim to undermine collective efforts to reach political settlement in Syria and the process of normalization of Russian-Turkish relations,"
Russia expecting close cooperation from Turkey in all efforts to investigate the shooting.
"We expect the close cooperation from the Turkish authorities with representatives of the Russian investigative authorities to conduct a thorough investigation of all the circumstances of the barbaric crime, identify and punish the organizers, as well as the adoption of the most effective measures to ensure the security of Russian citizens, diplomatic missions and their personnel," the foreign ministry's statement said.
Karlov, 62, was a career diplomat, who joined the diplomatic service in the year 1976.
He served as Russia's ambassador to North Korea (2001 – 2006)
Served as chief of Foreign Ministry's consular department.
He served as the ambassador to Turkey 2013- December 19-2016.
Protests of Russia's role in the Syrian war have been prominent in Turkey.
Both countries have collaborated to evacuate civilians from war-torn Aleppo.
Tayyip Receo Erdogan Turkish President and his Russian counterpart, Vladimir Putin, communicated about Aleppo on Sunday and stressed the need to swiftly overcome disruptions to the city's evacuation.
Turkey has suffered enough attacks from terrorist in recent years, the most prominent of which have been bombings.