Ukraine's president Volodymr Zelenskyy has equated the actions of Russian troops to those of terrorists, in a fiery speech to the UN Security Council.
He began by outlining the catalogue of horrors he says have been committed by Russian troops.
His address comes as the world reacts in horror to images of mass graves and bodies strewn across streets in towns near the capital of Kyiv.
New York correspondent Sarah Walton spoke to Susie Ferguson.
