Tens of thousands came to St. Peter’s Square to mark the official start of the pontificate of the first American to lead the Roman Catholic Church. Vice President JD Vance was among the dignitaries who attended.

Pope Leo XIV spoke on Sunday of the remarkable times during which he's been elevated to the papacy, saying during his first homily as pontiff that he will rise to the task "with fear and trembling," while still seeking to serve all with "faith and joy.