Pope Francis died on Easter Monday at the age of 88 after a 12-year papacy. The death of the pontiff has set off mourning across the Catholic world and days of ritual at the Vatican.

Thousands filed by to see the pope's burial site as a light cast its warm glow over the tomb and a reproduction of Francis' pectoral cross on the wall above it.

Cardinals this week will start in-depth discussions on planning the conclave to choose Pope Francis' successor. No date has ...