Biden warns of Russia's potential use of tactical nuclear weapons in ongoing Ukraine conflict.

Ukrainian President Volodymyr Zelenskyy said his country's forces were "actively destroying the enemy." Russian forces struck military and infrastructure targets in Kyiv and western areas away from the front lines. The Russian Navy is set to receive two new nuclear submarines. The US Department of Defense has announced a miscalculation in the valuation of its funding for ammunition, missiles and other equipment sent to Ukraine. The UK is preparing to announce a massive $3 billion package to Ukraine during a two-day conference hosted by London and focused on attracting investment to the war-torn country.