Russian Security Council Deputy Chairman and the head of the United Russia party Dmitry Medvedev attends the Victory Day military parade in Moscow, Russia, Friday, May 9, 2025.A key ally to Vladimir Putin has admitted Russia will only accept a complete victory over Ukraine in a major blow to the US’s efforts to end the war.US president Donald Trump has been trying to fulfil his election campaign promise to end the Ukraine conflict ever since he returned to office in January.Although the war began when Russia invaded its European neighbour in a brutal land grab back in February 2022, Trump has – for the most part – insisted that the Russian president also wants peace.However, that claim was derailed by the deputy chairman of Russia’s Security Council on Tuesday.Dmitry Medv