Despite being discharged from the hospital a day prior, Pope Francis presided over an outdoor Palm Sunday Mass in a brisk St. Peter’s Square.

Pope Francis left Rome’s Gemelli Hospital Saturday morning to return to his residence at the Domus Santa Marta on Vatican grounds.

On the afternoon before he is expected to be discharged from Rome’s Gemelli hospital, Pope Francis paid a visit to sick children, bringing them Easter candy and baptizing an infant who is just a few...