A 70-year-old man, Binod Adhikary, from a village in Dinhata subdivision of Cooch Behar was hacked to death allegedly by his neighbour, Sushanta Barman, on Sunday.

Police sources said they fought over a family matter that led to the murder in Hokadaha village. Sushanta, a farmer, has been arrested.

Reportedly, Sushanta’s wife had an affair with one of the victim’s sons. Things had soured between the families since then.