One schoolgirl has been backed to death and three of her classmates left injured while returning home from a private tutor in Chapainawabgonj.
The incident happened Friday morning at Mohipur area of the upazila's Gobratola union.
Police has cought the attacker rouge Abdul Malek. He is son of Abdul Latif from Diardhaingor village.
Deceased Konika Ghosh (15) is a daughter of Laksman Ghosh.
The injured identified as Tajemul Haques's daughter Tanjima Khatun (14), Abdul Kader's daughter Tarin Afroz (14) and Mokbul Hossain's daughter Moim Khatun (15).
They all are class X students of Gobortola SM Dimukhi High School.