Malay RayRourkela: Birmitrapur police in Sundargarh district arrested a 55-year-old man on Wednesday for allegedly killing his 40-year-old nephew with an axe following a family dispute on Tuesday night. Police are investigating the motive behind the murder.The incident occurred at Hadara Toli in Jalangbira village under Birmitrapur police station limits. The deceased was identified as Etwa Kujur (40), while his uncle and accused, Sunia Kujur, was arrested.Police said, Sunia and Etwa quarrelled over a family dispute in front of Sunia’s house late on Tuesday night. Sunia allegedly went inside his house, brought an axe and attacked Etwa, who died on the spot. A police team, accompanied by scientific personnel, conducted an inquiry. Police sent Etwa’s body for postmortem and the body was handed over to his family.Birmitrapur police detained Sunia and questioned him before arresting him on Wednesday. The axe allegedly used in the attack was seized. Police said investigation was underway to establish the motive and examine the circumstances. “We have arrested the accused in this murder case and our further investigation is underway to know the motive behind the murder,” said D K Patta, IIC of Birmitrapur police station.