A clash at the U.N. View in browser | nytimes.com Continue reading the main story February 1, 2022 By Natasha Frost Writer, Briefings Good morning. We're covering a diplomatic showdown at the U.N. over Ukraine and an investigation into British government parties held during lockdown. Russia called the public meeting an example of "megaphone diplomacy." Andrew Kelly/Reuters U.S. and Russia clash at the U.N. The U.S. and Russia engaged in a public diplomatic brawl Monday at the U.N. Security Council over the Ukraine crisis. The Americans, backed by their Western allies, accused Russia of endangering peace and destabilizing global security by massing more than 100,000 troops on Ukraine's borders. Kremlin diplomats dismissed what they called baseless and hysterical U.S. fearmongering aimed at weakening Russia and provoking armed conflict. The Council meeting of 15 nations, requested by the U.S. last week, represented the highest-profile arena for the two power