ANKARA : Turkish President Tayyip Erdogan said on Monday he spoke to Russia's Vladimir Putin and they both agreed the assassination of Russia's ambassador to Ankara by a gunman was an act of provocation by those looking to harm relations their countries.

In a video message broadcast on Turkish television, Erdogan said Turkey-Russia relations were vital for the region and those who aimed to harm ties were not going to achieve their goals.

The Russian ambassador to Ankara was shot in the back and killed while giving a speech at an art gallery on Monday. Turkish security sources said the gunman, who shouted "Don't forget Aleppo", was an off-duty police officer.

Erdogan says agrees with Putin on stronger fight against terrorism

Turkish President Tayyip Erdogan said on Monday he had agreed in a telephone call with Russia's Vladimir Putin that their cooperation and solidarity in fighting terrorism should be even stronger after the killing of the Russian ambassador in Turkey.

Erdogan called the killing a clear provocation aimed at damaging relations between Turkey and Russia at a time of normalization.