Srinagar: At least 21 suspected Bangladesh nationals, including three women and seven children, have been detained in Ramban district of Jammu and Kashmir. The group was travelling in two vehicles towards Kashmir Valley from Jammu and was intercepted during routine checking at a checkpoint on the National Highway in Ramban.Officials said that during verification, the individuals failed to produce any valid identity or travel documents to establish their legal stay in the country. Following preliminary questioning at the spot, all 21 persons were taken into custody and shifted to a police facility for questioning.They said the detained persons are suspected to be illegal immigrants from Bangladesh who entered India through Assam and reached Jammu by train. Officials said they were reportedly heading to the Valley in search of work.They said police are probing whether the group was being assisted by any local or interstate network involved in facilitating the movement of illegal immigrants.Police have launched further inquiries, and legal action would be taken based on the outcome of the investigation.