Bhim Bahadur Gurung and Raj Bahadur Gurung of Samdi, Besishahar-5 beat up 60-year-old Birkha Bahadur Rawal, leaving him seriously injured and unconscious.
Rawal has been taken to Kathmandu for further treatment, police in Lamjung said.
Police have detained Raj Bahadur while search for Bhim Bahadur is on.
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