Berhampur: A 71-year-old man was allegedly beaten to death with a wooden log at Kulangi village under Ganjam district’s Gangapur police station limits late on Friday evening. The deceased was identified as Babu Swain. Ramesh Pradhan (30) of the same village was detained for interrogation, police said on Saturday.“Preliminary inquiry revealed previous enmity between two families in the village was the cause for the incident,” said Banabihari Pradhan, IIC, Gangapur police station. Police said Swain was returning to the village after taking a bath in the village pond on Friday evening, when Pradhan allegedly beat him on the head with a log from behind. He fell down and died on the spot. Police sent the body for post-mortem.