The pope urged Catholic faithful to be a "light of hope," to serve others, and to make the world a better place.

CHICAGO (RNS) — At Rate Field, the home of the Chicago White Sox, some 30,000 celebrated a native son, Pope Leo XIV, Saturday afternoon (June 14) at a Mass organized by the Archdiocese of Chicago. Leo appeared via video from Rome, in a prerecorded message encouraging young people to engage in the community of the church.