Pope Leo XIV celebrated his first Easter Mass as pontiff with a call Sunday to lay down arms and seek peace to global conflicts through dialogue.

Pope Leo urged global leaders in his Easter message on Sunday (April 5) to end the conflicts raging across the world and abandon any schemes for power, conquest or domination.

Leo, the first U.S.-born pope, addressed the faithful from an open-air altar in St. Peter’s Square flanked with white roses, while the steps leading down to the piazza where the faithful gathered were...