FILE PHOTO: European Commission President Ursula von der Leyen, High Representative of the European Union for Foreign Affairs and Security Policy Josep Borrell, Slovakia's Prime Minister Eduard Heger and Ukraine's Prime Minister Denys Shmyhal stand next to a mass grave as they visit the town of Bucha, as Russia's attack on Ukraine continues, outside of Kyiv, Ukraine April 8, 2022. REUTERS/Valentyn Ogirenko/File Photo