A 75-year-old visually impaired woman died and her son was injured after a long-standing dispute between two neighbouring families turned violent in Lucknow.
The incident occurred in Mawai Padiyana village when an argument escalated into stone pelting and physical assault.
Three people have been held in connection with the incident, officials added.
Preliminary findings suggest some men had consumed alcohol together before returning to the village, after which the dispute flared up again, leading to violence involving sticks, bricks and stones.
The family alleged the incident was linked to an old personal enmity.
Security has been tightened in the village and investigation is underway.
