Leo’s predecessor, Pope Francis, was a hit with many young people, with a style that put aside pre-prepared speeches to engage in a back and forth with big crowds and who took tough questions from them about loss of faith, abortion and sexual abuse.

ROME, Aug 3 (Reuters) - Pope Leo celebrated the largest event yet of his nearly three-month tenure on Sunday, encouraging a crowd of more than a million Catholic young people gathered in a field on the outskirts of Rome to spread their faith.