Ramesh had a heated argument with Surmo, over a dispute regarding a grazing land at Ban village in Chan Arorian area last evening, a police spokesperson said.
During the argument, Surmo attacked Kumar on the head with a log killing him on the spot, he said.
The incident sparked tension in the area with hundreds of people taking to streets and blocking the Jammu-Pathankot Highway demanding immediate arrest of the accused.
The situation in the area is tense but well under control, the spokesperson said.
A case of murder has been registered against the accused and raids were being conducted at various places to arrest the accused, he said, adding the body of the deceased was handed over to his family this morning.