Attack on Catholic Church in Istanbul: Masked men shoot worshipers. One person was killed in an armed attack on a church in Istanbul. The perpetrators are on the run and a manhunt has been launched. Pope Francis also commented: "I express my condolences to the congregation of the Church of St. Maria Draperis in Istanbul," he said during the Angelus prayer. According to Vatican News, Sunday's attack occurred during the service of Italian Bishop Massimiliano Palinuro, Vicar Apostolic of Istanbul.