Nun gang-rape case: Two Bangladeshi nationals were today detained on suspicion of their involvement in the sexual assault of a 71-year-old nun at a Ranaghat convent school six days ago, police said.br br North Dinajpur Superintendent of Police SW Reza said that the two -- Mukul Alam (28) and Md Majid (29) -- bore striking resemblance to those caught on the CCTV camera at the Convent of Jesus and Mary school on March 14, one of them having 75 per cent similarity.