Pope Leo XIV’s inauguration Mass on Sunday morning at St. Peter’s Square is an ancient ritual filled with symbolism that connects back to Peter, Jesus’ apostle, and his special mission as head of the Catholic Church.

The Mass for the inauguration of Pope Leo XIV’s pontificate will mark the official beginning of his ministry as successor of Peter and bishop of Rome.

The celebration marks the start of his time as leader of the Catholic church, and is an inaugural mass in St Peter's Square attended by hundreds of dignitaries and many worshippers