LAXMIPUR: In an unnatural incident son- in- law Nazmul Hossain chopped his father- in- law Mohiuddin Babor, mother- in- law Angurernesa, wife Moihima Akhter and sister- in- law Safura Akhter in Roypur upazila of the district this morning, reports BSS. Police and local people said a family dispute might have driven Nazmul Hossain to attack them with a sharp weapon (dao). Hearing cries local people rushed to the house, the place of occurrence, and saved the family members from further attack of son-in-law. The injured were admitted to Laxmipur Sadar Hospital. Police arrested son- in- law Nazmul Hossain and a case was filed against him with the Thana.