Suspected militants Monday blew up a government school in northwest Pakistan's tribal region in a latest of series of attacks on educational institutions, officials said.
The militants had planted explosives around the school building in Khyber tribal region which detonated early Monday morning, they said.
Seven schools and a dispensary had been destroyed by the militants in the area in a month time, according to officials.
Four class rooms, half boundary wall and the veranda of the boys primary school were destroyed in the blast at 4:30 a.m. local time (2330 GMT Sunday).
The watchman said the school at a small village had been built in the 1980s and over 400 children were studying there.
Tribesmen said that the authorities have not taken enough security measures to stop attacks on schools in the tribal region.
Several militant groups, including the Tehrik-e-Taliban Pakistan TTP) are active in Khyber agency, near the Afghan border.
Militants in Khyber agency regularly attack trucks and tankers carrying goods and oil for over 100,000 U.S-led NATO forces in Afghanistan. Over 70 percent items are transported to NATO forces through Pakistan, according to official sources.