Russia’s army crossed the border on Feb. 24, 2022, in an all-out invasion that Putin sought to justify by falsely saying it was needed to protect Russian-speaking civilians in eastern Ukraine and prevent the country from joining NATO.

President Donald Trump said Friday it was unimportant for Ukrainian President Volodymyr Zelensky to be in meetings to negotiate an end to the Russia-Ukraine war—escalating a feud that began earlier this week after Zelensky rejected a deal to give the U.S. rights to some of Ukraine’s mineral resources.