The four who have been identified are Rajiv Chalavadi and Bangarappa Chalavadi from Rakksagi and Shivappa Rajput and Hanumanth Chaluvadi from Amingad.
Three others have suffered grievous injuries and they have been admitted to the District hospital where they are undergoing treatment.
Sub-Inspector Palakshaiah Hiremath visited the spot and registered a case. Further investigations are on.
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