The deceased have been identified as Arjun Gurung, 15 of Gerkhu VDC-3 and Larin Tamang, 15 of Deurali VDC.
Both boys were in grade ten of Trishuli Community Boarding School.
Police have detained few friends of the deceased for investigation.
Relatives of the deceased, the locals and the police are suspecting foul play in their death.
Police have detained Tarbahadur Tamang, 15, of Bidur Municiplality Ward No. 10 and Birbahadur Tamang, 16, of the same place for questioning, informed Police Sub-Inspector Laxman Gautam of Nuwakot police office.
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