Ranchi, Nov 6 (Inditop.com) Maoist rebels blew up a school building in Chatra district of Jharkhand, police said Friday.

Maoist rebels blew up a middle school building at Asona village of Chatra, around 190 km from state capital Ranchi, late Thursday.

Around 20 to 25 Maoist guerrillas blew up the school building by using detonators and explosives, a police officer said.

The officer said rebels blew up the building to prevent stay of security personnel during the assembly polls scheduled this month and the next. The security forces use school buildings during anti-Maoist operations and elections.

Maoist rebels have blown up more than 30 school buildings in Jharkhand in the last five years.