Kendrapada: A 22-year-old man was arrested on Friday for allegedly killing his 65-year-old maternal uncle with a spear following a family altercation at Mahasahani village under Aul police station limits on Thursday night.Police said the accused, Karuna Das, returned home intoxicated and was reprimanded by his mother. Enraged, he allegedly abused her and attempted to assault her. His maternal uncle, Giridhari Das, intervened, following which Karuna allegedly attacked him with a spear.Giridhari suffered chest injuries and was rushed by villagers to the community health centre at Aul, where doctors declared him dead. Police said Karuna confessed during interrogation to attacking his uncle in a rage. The bloodstained spear was seized from the spot. Karuna was booked under section 103 of the BNS for murder and produced before a court on Friday. His bail plea was rejected and he was remanded in judicial custody, Aul police station IIC Antrajami Srichandan said.