Suspected of practicing black magic and witchcraft, an elderly tribal man was hacked to death in Tripura, police said on Monday.
Four people have been arrested in connection with the killing.
Nakuljoy Reang, 80, was allegedly tortured by some villagers on Saturday. He died at the Dhalai district government hospital late on Sunday.
Black magic, witchcraft and other superstitious beliefs are integral to tribal customs in parts of Assam, Tripura and other northeastern states.
Many tribal communities practise indigenous faiths and resort to such rituals in treating ailments of community members.
Many people, mostly women, are killed every year in the northeastern states for allegedly practising sorcery and witchcraft, mostly in tribal-dominated areas of western and northern Assam and few other northeastern states.