Bombs exploded at two schools in the Nepalese capital on Tuesday while suspicious objects were found in five other schools, media reported.
Cylinder bombs exploded at the Akash Deep Boarding School and Manakamana Higher Secondary School in Jorpati, Kathmandu, at around 3.45 am, Kathmandu police chief Bikram Singh Thapa said.
Explosives were also recovered from five other schools in the valley, Kathmandu Post reported.
No human casualties have been reported.
Nepal Army bomb disposal teams were sent to defuse the explosives. Police has arrested two suspects.
Meanwhile, pamphlets of Akhil Rastriya Swatantra Bidhyarthi Kendra and Young Communist Force Nepal have been recovered from the explosion site.