Clashes were reported at Ghantaghar and Maisthan among other places of the city.
The law enforcement agency arrested two protesters after the latter vandalized a motorcycle at Ghantaghar.
Following which, agitators pelted stones at police. 
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Then, police arrested five more demonstrators and lobbed teargas shells. Protesters in return, hurled petrol bomb targeting the law enforcement agency.
According to SP Raj Babu Shrestha, Constable Ajit Pandey got injured in stone-pelting.
UDMF cadres also vandalized a motorcycle, Na 3 Pa 2340, at Panityanki.