In pictures: Pope Francis in IrelandPAThe Pope has concluded a two-day visit to the Republic of Ireland with an open air Mass in front of huge crowds of people in Dublin's Phoenix Park.PAThe Pope began his second day in Ireland at Knock in County Mayo, which Pope John Paul II also visited on the last papal tour of Ireland in 1979.AFPThe pontiff took time to greet dozens of schoolchildren who had waited for his arrival at Knock Airport.PAA long wait in the cold, and the wet weather at Knock, did not stop people from enjoying the occasion.PAAbout 40,000 people had tickets to see the Pope visit the Knock shrine, where an apparition of Mary, the mother of Jesus Christ, is said to have appeared in August 1879.ReutersWidely considered to be a charismatic pontiff, Pope Francis acknowledged those who had turned out for him.ReutersMerchandise marking the Pope's Irish tour was popular among those who had made the trip to the pilgrimage site.AFPThere was silence inside the basilica at the Knock shrine as Pope Francis lit a candle and prayed.ReutersIt was not just the crowd that had to deal with the poor weather - the wind caught the Pope's mozzetta during his recitation of the Angelus.PAThe crowds battled inclement weather to gather in Dublin's Phoenix Park for Sunday afternoon's Mass.Matt CardyThe Pope's first appointment in Ireland on Saturday was with Irish President Michael D Higgins, pictured here with his wife Sabina Coyne, at the president's residence, Áras an Uachtaráin.Charles McQuillanProtestors were also visible during the Pope's visit. The Catholic Church has been criticised for its attitude towards LGBT people. Here, a man can be seen waving a rainbow flag behind a model of Pope Francis as the Pope toured Dublin. The Republic of Ireland legalised same-sex marriage in a referendum in 2015.TIZIANA FABIIn a speech at Dublin Castle on Saturday, Irish Prime Minister Leo Varadkar challenged the Pope over clerical child abuse, referring to "dark aspects" of the Church's history. He went on to state that wounds were still open and asked the pontiff to use his influence to bring about "healing, truth and justice".ReutersPope Francis met eight survivors of clerical sex abuse on Saturday evening, and prayed in front of a candle lit to remember victims.AFPOn Saturday evening, he presided over a Festival of Families concert in Dublin's Croke Park stadium, which drew a crowd of some 80,000 people. The world-renowned tenor Andrea Bocelli, country singer Nathan Carter, and acclaimed Irish singer Daniel O'Donnell were among those who performed.MaxwellThe Pope is due to return to Rome on Sunday evening, ending his 36-hour stop in Ireland.