Shimu Akter, a class III student of a local school, was killed by a speeding bus of Alam Asia Paribahan while crossing the road near Amtoli of Bhaluka around 5pm.
She is the daughter of Mosharraf from Lobonkatha of Bhaluka.
Enraged at her death, local people stopped the killer bus and another of Ena Paribahan near Seedstore Bazar and torched them.
Later, fire-fighters doused the fire and police cleared the highway.