A 28-year-old Bangladeshi, one of the main accused in the sexual assault of a septuagenarian nun at a Ranaghat convent school, has been arrested from Sealdah railway station here. Nazrul aka Nazu was arrested from Sealdah station while he was getting down from a local train late last evening, SS CID Chittaranjan Nag said . So far, six people have been arrested for their involvement in the case, the police said.
