Pope Leo XIV on Thursday denounced how investments in artificial intelligence and high-tech weaponry were leading the world into a “spiral of annihilation,” as he called for peace in the Middle East and Ukraine during a visit to Europe’s largest university.

Leo’s speech at Rome’s La Sapienza University marked the first time a pope has visited the campus since Pope Benedict XVI called off a planned speech there in 2008 in the face of protests from faculty and students.

The American pope was warmly welcomed on Thursday, including by some of Sapienza’s newest students: Young Palestinians who arrived in Italy this week on a “humanitarian corridor” from Gaza to continue their studies at the university.…