The Mass was preceded by a half-mile procession from the Basilica of Sts. Celso and Giuliano to St. Peter’s Basilica.
Pope Leo will also celebrate a Mass for the soul of the late Pope Francis and deceased cardinals the following day.
U.S. Vice President JD Vance and his wife, Usha, attended a private Mass celebrated by Franciscan monks at the Church of the Holy Sepulchre in Jerusalem Thursday.