The Catholic Information office in Nairobi said on Monday that Australian Sisters Moira Lynch , 73 , and Mary Batchelor , 68 , American Father Michael Barton , 48 , and Sudanese Father Raphael Riel , 48 , were held in a prison in south Sudan by the SPLA .
<response> The <organization>Catholic Information office</organization> in <location>Nairobi</location> said on Monday that <misc>Australian</misc> Sisters <person>Moira Lynch</person> , 73 , and <person>Mary Batchelor</person> , 68 , <misc>American</misc> Father <person>Michael Barton</person> , 48 , and <misc>Sudanese</misc> Father <person>Raphael Riel</person> , 48 , were held in a prison in south <location>Sudan</location> by the <organization>SPLA</organization> . </response>