The Russian president also said that if Ukraine is "ripe for talks", mediation efforts would be required, following reports about Vladimir Putin's willingness to enter into negotiations about a temporary peace deal with Kyiv. News reporter @OliveLineham Please use Chrome browser for a more accessible video player Vladimir Putin has said he has "no" regrets over the war in Ukraine and warned that any direct clash of NATO troops with Russia could lead to a "global catastrophe". On Friday, the Russian president spoke at a news conference in the Kazakh capital, Astana, and also said that his country's partial mobilisation will be over in two weeks. Mr Putin, who has said he would be ready to use nuclear weapons to defend Russia's "territorial integrity", warned that a direct clash with NATO troops is a "very dangerous step". His remarks follow a week where Russia has carried out its heaviest missile attacks on Kyiv and other Ukrainian cities since the early days of the war, which he calls