A teacher was killed and two children injured on Wednesday when a hand grenade attack took place on a school in the Shabqadar area.
Sources said the school had received letters a month earlier which threatened the administration to direct students to wear shalwar kameez instead of pants and shirts.
According to police sources, unidentified miscreants threw a hand grenade on Askari Public School and College in Shabaqadar area.
The explosion resulted in the death of school teacher Honey and injured two children.