In another incident, Maoists blasted a state-run school in Bihar's Lakhisarai district, police said, adding three live cane bombs were recovered from the school premises.
"Maoists blasted a school in Lakhisarai to create panic in neighbouring Jamui parliamentary constituency," a district police official said.
Bihar Chief Secretary A.K. Sinha said 46,000 security personnel, including 22,000 home guards, 74 companies of Bihar Military Police and 163 companies of central para-military forces, have been deployed on election duty.
Sinha said three army helicopters at the disposal of the state government are being used for air surveillance of Maoist-affected areas.
