Ukrainian First Lady Olena Zelenska urges the United Nations to establish a special tribunal to try Russia for crimes of aggression and ensure that Moscow's invasion "never will be repeated" anywhere. "I think you will all agree that regardless of country or nationality, you have the right not to be killed in your own homes," she says in a speech in front of a special meeting of the United Nations to examine alleged human rights violations committed by Russia during its war on the country. IMAGES AND SOUNDBITES