Thousands Gather for Canonization Mass

Nuns hold up a poster with portraits of Pope John Paul II, left, and John XXIII, in St. Peter's Square at the Vatican, April 27, 2014.

Faithful gather in St. Peter's Square.

Pilgrims, numbering nearly 800,000, gather on St. Peter's Square.

Pope Francis kisses the relic of Pope John XXIII as he leads the canonisation mass.

Bishops during the canonisation mass.

Pope emeritus Benedict XVI waves as he leaves after the canonisation mass of Popes John XXIII and John Paul II.

Priests arrive in Saint Peter's Square to give communion to pilgrims.

A faithful receives communion.

Pope Francis stands on the popemobil surrounded by bodyguards as he waves to pilgrims in Saint Peter's Square after the canonisations of Popes John Paul II and John XXIII.