Ukraine's President Volodymyr Zelenskyy speaks to journalists during a joint press conference with NATO Secretary General Mark Rutte in Kyiv, Ukraine, on Wednesday, June 3, 2026. (AP Photo/Evgeniy Maloletka)

In this photo provided by Ukraine's 93rd Kholodnyi Yar Separate Mechanized Brigade press service, a soldier reacts as an MRLS BM-21 "Grad" fires at the Russian positions near Kostiantynivka, Donetsk region, Ukraine, Thursday, June 4, 2026. (Iryna Rybakova/Ukraine's 93rd Mechanized Brigade via AP)

Russian President Vladimir Putin gestures during a meeting with representatives of international news agencies on the sidelines of the St. Petersburg International Economic Forum at the Constantine Palace in St. Petersburg, Russia, on Thursday, June 4, 2026. (Alexander Kazakov, Sputnik, Kremlin Pool Photo via AP)

A plume of black smoke is seen over the port of St. Petersburg, Russia, Wednesday, June 3, 2026, after a Ukrainian drone attack. (AP Photo)

Pope Leo XIV arrives in the popemobile at Plaza de Lima in Madrid, Saturday, June 6, 2026, for a prayer vigil with young people on the first day of a seven-day apostolic journey to mainland Spain and the Canary Islands. (AP Photo/Bernat Armangue)

Pope Leo XIV is welcomed by Spain's King Felipe VI and Queen Letizia, as he arrives at the Royal Palace in Madrid, Saturday, June 6, 2026, on the first day of his seven-day apostolic journey to mainland Spain and the Canary Islands. (AP Photo/Alessandra Tarantino)

People wait for the arrival of Pope Leo XIV ahead of a Holy Mass and Corpus Christi procession at Plaza de Cibeles in Madrid, Spain, Sunday, June 7, 2026, on the second day of his seven-day apostolic visit to mainland Spain and the Canary Islands. (AP Photo/Andrea Comas)

People wait for the arrival of Pope Leo XIV ahead of a Holy Mass and Corpus Christi procession at Plaza de Cibeles in Madrid, Spain, Sunday, June 7, 2026, on the second day of his seven-day apostolic visit to mainland Spain and the Canary Islands. (AP Photo/Andrea Comas)