A man was killed and his wife sustained injuries in an attack allegedly by their drug addict son at Anakhanda village in Shariatpur's Naria upazila on Sunday.
The deceased was Rahim Bepari, 50, of the village. Injured Piyari Begum was admitted to Shariatpur General Hospital.
Abdul Salam Bepari, a member of Bhojeshwar Union Parishad (UP), said Nayem Bepari, 20, used to quarrel with his parents to get money for buying drugs.
Hearing screams, neighbour Salam rushed to the house of the victims on Sunday afternoon and found them in a pool of blood. At that time, Nayem stood there with a sharp weapon, said the UP member.
On information, police rushed to the spot and arrested Nayem. The victims were sent to the hospital where on-duty doctor declared Rahim dead.
Rahim's elder son filed a case, accusing Nayme, said Monzurul Haque Akand, officer-in-charge (OC) of Naria Police Station.
The arrestee was produced before a court that sent him to jail yesterday, said the OC.