A 60-year-old man and his two-year-old grandson were found dead in a septic tank at Nuniapara village in Ramganj upazila of Lakshmipur district on Saturday. The deceased were identified as Md Shafiullah and his grandson Md Omar of the village, reports UNB. Quoting local people Md Solaiman, officer-in-charge of Ramganj Police Station,