Diarrhoea has taken epidemic turn in Kanaimara, Boraikhandi and its neighnouring villages under South Salmara-Mankachar subdivision of Dhubri district over the last few days and already claimed three lives and several others suffering from the disease are in a serious condition. One Nur Amin (2) and Sajid Ahmed of Boraikandi village died on February 20 last. On the other hand, the 10-month-old son of one Mominur Islam of the village Kanaimara died on Friday due to diarrhoea. Some other children of Kanaimara-Boraikandi villages are also reportedly in critical condition at the time of filing of this report. It may be mentioned here that though many children have been suffering from diarrhoea, and some of them have already died, the Health Department has no information in their hand. Steps are yet to be taken, the local people alleged.