A Russian diplomat to the United Nations, Boris Bondarev has relinquished his position over the war in Ukraine, describing it “bloody, witless and absolutely needless”.
Bondarev said he has never “been so ashamed of my country” following the invasion.
Ukraine’s President Volodymyr Zelensky says the world cannot be ruled by “brute force”, in an address at the World Economic Forum.
Following the invasion, Zelensky has called for maximum sanctions against Russia, including an oil embargo.
Meanwhile, a court in Ukraine has jailed a Russian tank commander for killing a civilian at the first war crimes trial of the war.
Russia is stepping up efforts to capture the eastern city of Severodonetsk, and is said to be using “scorched earth” tactics