Pope Benedict XVI yesterday announced the appointment of Auxiliary Bishop Jose Rojas of Caceres in Naga City as the new bishop of the Prelate of Libmanan in Camarines Sur.The CBCPNews said that the 52-year-old Auxiliary Bishop Rojas would replace the 71-year-old Bishop Prospero Arellano who reportedly resigned because of illness. The Pope accepted his resignation. Arellano has been the head of the Prelature of Libmanan since 1989.