Pithoragarh: A 28-year-old man has been arrested for killing his father following an argument in Puran village, about 12 km from Pithoragarh city, police said on Sunday.The deceased, 56-year-old Bisan Ram, was a mason who lived in Pithoragarh town and had gone to the village to meet his son on Friday. Gaurav KumarAnd stayed there for the night.Pithoragarh SHO Lalit Mohan Joshi said, “At night, Bisan got into an argument with Gaurav, during which the accused allegedly attacked him with a hammer and hit him on his head. The victim remained inside the house without medical aid.”Saturday morning Bison’s nephew Mo Suresh They found him covered in blood and informed the police. He was taken to the hospital, where he died. Police said that he did not get timely treatment.A case has been registered at Pithoragarh police station under section 105 of BNS (culpable homicide not amounting to murder).