Four people, including the accuse Ranjit Singh, were also injured in the scuffle at the transport yard in Narwal area of the city, Superintendent of Police (south) Sandeep Chaudhary told PTI.
The tussle between Ranjit and Charanjeet Singh over the possession of a vehicle took an ugly turn when Ranjit was attacked by the rival party with a blunt object, he said.
Ranjit took out his licensed revolver and fired in a fit of rage, injuring four people, the official said.
Ranjit is undergoing treatment at a hospital under police custody, Chaudhary said.
Police has registered a case and seized the weapon.
They were involved in scuffles many times in the past also, he said.
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