A Russian warship fires warning shots at a Turkish vessel in the Aegean Sea to "avoid a collision", according to the Russian Defence Ministry.
The Russian ambassador to Turkey Andrei Karlov is killed in a gun attack at an art gallery in Ankara. Russia calls the assassin, 22-year old police officer, Mevlüt Mert Altıntaş, a "terrorist". Turkish Foreign Minister Mevlüt Çavuşoğlu goes to Moscow for a planned trilateral meeting on Syria, saying "the incident will not impact relations between Turkey and Russia".
Turkish Foreign Minister Mevlüt Çavuşoğlu says Turkey's cooperation with Russia in combating the Islamic State in Syria does not include Russia's use of its Incirlik Air Base, which some have interpreted from his comments yesterday.
Russia's Ministry of Defence accuses Turkey of preparing a military incursion into northern Syria, saying it had registered "a growing number of signs of hidden preparation of the Turkish Armed Forces for active actions on the territory of Syria". Tens of thousands of Turkish troops are active on the border of Syria involved in fighting the Kurdistan Workers' Party (PKK).
Turkey’s Foreign Minister Mevlüt Çavuşoğlu accuses Russia of provoking military gestures as a sailor aboard a Russian naval vessel wielded a rocket launcher as the ship passed through the Bosphorous Strait in the wake of Russia’s imposing sanctions on Turkey for that country’s downing of a Russian aircraft
Turkey’s President Recep Tayyip Erdoğan, in a televised speech, states that it is possible to find alternatives to Russian energy sources following his return from Qatar where he arranged a deal for liquefied natural gas (LNG) and the Turkish Prime Minister’s visit to Azerbaijan where energy matters were reportedly discussed. Turkish officials have reportedly discussed energy deals with other countries as well.
Turkey's president Recep Tayyip Erdoğan warns Russia not to "play with fire" and says Russia is supporting the "state terrorism" of the Bashar al-Assad regime in Syria that has "killed 380,000 people". Relations between the former Cold War antagonists have been severely damaged after Turkey shot down a Russian Sukhoi Su-24 near the Syria–Turkey border on November 24, 2015.
Turkish F-16 fighter jets shoot down a Russian Sukhoi Su-24 aircraft that had allegedly infringed its airspace near the Syrian border. Russia's Ministry of Defence denies the Su-24 entered Turkish airspace and initially said it was shot down by ground fire over Syria's Latakia Governorate. A video emerged of one pilot killed as local rebel Turkmen fighters shot at him while he was parachuting and a video of his body, while the fate of the other pilot is unknown but is presumed dead. A combat search and rescue mission by Russian forces failed to reach them. It is the first time a NATO member has shot down a Russian plane since the 1950s.