Turkish President Recep Tayyip Erdogan, who has been working to fix relations with Russia after a Turkish fighter jet shot down a Russian fighter jet near the Syria-Turkish border in November 2015, echoed Putin's statement, also calling the assassination a "provocation on destroying the relationship between Turkey and Russia during this normalization process".
Karlov was killed on Monday evening at a photograph exhibition in Ankara by Mevlut Mert Altintas of the Turkish capital's riot-police squad.
Attention now turns to how Turkey and Russian Federation respond to the assassination. He had stayed at a nearby hotel to prepare for the attack. The attack also left three people wounded.
The Kremlin said today it was too early to conclude who was behind the murder of Russian ambassador Andrei Karlov in Ankara, after Turkey's foreign minister put the blame on exiled cleric Fethullah Gulen.
Russian Federation and Turkey have both been involved in the conflict in Syria, which borders Turkey.
Ankara's mayor said the attack was aimed at Turkey-Russia relations while a spokesman for the United Nations said they condemned the attack and hope the perpetrator is brought to justice.
Snow likely overnight Wednesday
Western and northern Scotland are expected to be worst-affected by the gale-force winds - overnight on Friday . The Met Office yesterday confirmed the second named storm of the season - Barbara - will strike on Friday .
After the shooting, the gunman yelled in Arabic, "Allahu akhbar" (God is great). Turkey has been a staunch opponent of President Bashar al-Assad while Russian Federation has deployed troops and its air force in support of the Syrian leader.
The Turkish policeman who killed Russia's ambassador to Ankara Monday had worked in the security detail of Turkish President Recep Tayyip Erdogan at least eight times since July's failed military coup, according to media reports.
Meanwhile, Turkish police has arrested seven people over the Russian envoy's murder so far.
U.S. State Department spokesman John Kirby said they were aware of the incident.
The ceremony was being held at the Russian Foreign Ministry in Moscow, amid heightened security.