Up to a million young Catholics expected for grand Pope Leo vigil

Up to a million young Catholic believers are expected Saturday for a night-time vigil led by Pope Leo XIV, the culmination of a week-long pilgrimage, a key event in the Jubilee holy year.

The “Jubilee of Youth” — when the Vatican invites Catholics aged 18 to 35 to the seat of the global Church’s power — has seen thousands of young pilgrims from around the world flood Rome this week.

It is taking place just under three months since 69-year-old Leo — the first American pope — took over the…