Russia's foreign minister Sergey Lavrov, serving as the president of the Security Council gavels in a meeting of the U.N. Security Council, Monday, April 24, 2023, at United Nations headquarters. (AP Photo/John Minchillo) TANZANIA – The United Nations chief and representatives from Western nations berated Russia’s top diplomat as he chaired a U.N. meeting Monday, accusing Moscow of violating the U.N. Charter by attacking Ukraine and occupying part of its territory. Russia’s foreign minister responded by defending his country’s military action and accusing the U.S. and its allies of undercutting global diplomacy, the foundation of the United Nations, which was...