As Putin fired another salvo in his mounting war of words with NATO member Turkey his Turkish counterpart Recep Tayyip Erdogan declared he had "proof" that Russia was involved in illegal oil trading with the Islamic State (IS) group in Syria.
Turkey has become Moscow's prime international sparring partner after it shot down a Russian jet on its border with Syria on November 24 -- sparking fury in Russia and economic sanctions from the Kremlin.
"We will not forget this complicity with terrorists. We always considered and will always consider treachery to be the ultimate and lowest act. Let those in Turkey who shot our pilots in the back know this," Putin told lawmakers in his annual state of the nation speech, which also focused on Russia's airstrikes in Syria.
Russia has accused Erdogan and his family of personally profiting from the oil trade with Islamic State, which controls a large chunk of Syrian territory, including a number of oil fields.
"It is precisely with this money that the bandits recruit mercenaries, buy arms and organise inhuman terrorist acts aimed against our citizens, the citizens of France, Lebanon, Mali and other countries."
Erdogan has furiously denied the allegations against him and his family and said Turkey had proof that Russia was, in fact, involved in trading oil with IS.
"We have the proof in our hands. We will reveal it to the world," the Turkish leader said in a televised speech in Ankara.
"We will not rattle our sabres. But if someone thinks that after committing heinous war crimes, the murder of our people, it will end with (an embargo on) tomatoes and limitations in construction and other fields then they are deeply mistaken," Putin said.
"We will not stop reminding them of what they did and they will not stop regretting their actions."
Immediately after the speech Russia's energy minister Alexander Novak announced the suspension of talks between Ankara and Moscow over the major TurkStream pipeline project.
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