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Pope Francis (2ndR) baptises Nigerian John Ogah (C), 31, next to his godfather Italian carabinieri Nunzio Carbone (L), during the Easter Vigil at St Peter's basilica on March 31, 201 in Vatican. John Ogah is a Nigerian migrant-turned-hero after helping stop a thief until police arrived last year. Ogah asked the Rome police captain Nunzio Carbone who handled his case to be his godfather. Christians around the world are marking the Holy Week, commemorating the crucifixion of Jesus Christ, leading up to his resurrection on Easter. / AFP PHOTO / Andreas SOLARO