VATICAN CITY, VATICAN - SEPTEMBER 14: Pope Francis attends his weekly audience in St. Peter's Square on September 14, 2016 in Vatican City, Vatican. Pope Francis on Wednesday morning celebrated Mass for the French priest of Rouen, Fr. Jacques Hamel, whom he described, is part of the chain of Christian martyrs that runs throughout the history of the Church. Father Hamel was murdered while celebrating Mass in his Parish Church by two men swearing allegiance to the so-called Islamic State in July. (Photo by Franco Origlia/Getty Images)
