Puducherry, A former commune panchayat ward member was hacked to death by unidentified persons here on Sunday night.Police said on Monday that, the body of Radhakrishnan alias Ward Mani (42 ) with hack wounds on his neck was found lying near a petrol pump on the Villianur by-pass road here around 2300 hours. Villianur police seized the body and sent it to the government medical college hospital for post-mortem and registered a case.Previous enmity is said to be the cause for the murder, police added.