The U.N.'s two major bodies -- the 193-nation General Assembly and the more powerful 15-member Security Council -- will hold separate meetings on Monday on Russia's invasion of Ukraine, a reflection of widespread international demands for an immediate cease-fire and escalating concern for the plight of millions of Ukrainians caught up in the war. The Security Council gave a green light on Sunday for the first emergency session of the General Assembly in decades. It will give all U.N. members an opportunity to speak about the war on Monday and vote on a resolution later in the week that U.S. Ambassador Linda Thomas-Greenfield said would "hold Russia to account for its indefensible actions and for its violations of the U.N. Charter."

French Ambassador Nicolas De Riviere announced that the Security Council will hold a meeting on Monday afternoon on the humanitarian impact of Russia's invasion, a session sought by French President Emmanuel Macron to ensure the delivery of aid to growing numbers of those in need in Ukraine. Both meetings follow Russia's veto Friday of a Security Council resolution demanding that Moscow immediately stop its attack on Ukraine and withdraw all troops. The vote was 11-1, with China, India and the United Arab Emirates abstaining. De Riviere said France and Mexico will propose a draft resolution "to demand the end of hostilities, protection of civilians, and safe and unhindered humanitarian access to meet the urgent needs of the population."