CPN-UML and Rastriya Prajatantra Party (RPP) cadres attacked a ward chairman candidate of Umakunda Rural Municipality-3, Ramechhap with a khukuri on Wednesday.

Ramesh Sunuwar, who had filed his candidacy from the Nepali Congress, was critically injured in the attack, Nepali Congress Umakunda Rural Municipality ward chairman candidate Jit Bahadur Katuwal said.

He has been taken to the Bamti Hospital in Bamti for treatment.

It has been a group led by Pabitra Subba attacked Sunuwar with the khukuri.

Police said that they have arrested some cadres along with Subba for investigation.