Cardinal Robert Prevost of Chicago will succeed Pope Francis as the leader of the Catholic Church. Prevost, the first American pope in history, will go by Leo XIV. Here's a look at the scenes across Rome and nearby countries after white smoke poured from the chimney.

VATICAN CITY (AP) — Pope Leo XIV celebrates his first Mass on Friday after his historic election as the first North American pope, meeting with the cardinals who chose him to lead the Catholic Church and follow in Pope Francis’ reform-minded footsteps.

Pope Leo XIV, the Chicago-born Augustinian missionary Robert Prevost, celebrated his first Mass in Sistine Chapel.