Ukrainian President Volodymyr Zelenskyy attends a military honor ceremony, Friday, June 7, 2024 at the Invalides monument in Paris. U.S. President Joe Biden was due to meet with Ukrainian President Volodymyr Zelenskyy in Paris on Friday as Kyiv's army endures its hardest days of fighting since the early weeks of the war with Russia and prepares for what officials say could be a tough summer ahead. (AP Photo/Sophie Garcia)