Harun Mia, a student of Class One, also son of Ainal Mia, a day labourer, succumbed to his brain injuries caused by torture of his school teachers on Saturday. He was beaten badly for keeping two biscuits, his teachers distributed to him as relief, in his pocket, police said.

Doctors said the ill-fated child died of acute brain hemorrhage at Sunderganj Health Complex.

The teachers fled from the school after hearing the child's death news. The incident sparked violent protest among people in the locality. The mob besieged the school and kept all class rooms under lock and key. They demanded punishment to the teachers including headmaster Joynul Abedin of the school.

Later, joint forces brought the situation under control. They sent the body to Gaibandha hospital morgue for autopsy. The on-duty physician said the child died of brain hemorrhage.

A case was filed with Sunderganj Police Station but none was arrested till filing of the report yesterday afternoon.