Tension ran high at the Trishakti Higher Secondary School voting center in Budhiganga Municipality-9 of Bajura on Thursday.
Police fired into the air after a dispute arose between cadres of the CPN-UML and the ruling coalition.
Chief District Officer Prakash Chandra Adhikari said that police opened fire to take the situation under control.
"Police opened fire to take the situation under control. The situation is normal now. The voting has been resumed," he said.
The voting was halted for some following the dispute between the cadres of the UML and ruling alliance.
The election, which was deferred on May 14, has resumed from 7 am today.
Ranga Bahadur Khati of the Nepali Congress and Ram Bahadur Baniya of the UML have filed candidacy for the post of mayor.