Police and locals recovered the body of a seven-year-old madrasa student from a pond in Bagerhat Sadar upazila on Sunday night.
The dead, Faria, was a daughter of Omar Ali Sheikh from Patilakhali village and a student of class one at Baru Bibi Cadet Madrasa in the neighbouring Kondla village.
Police arrested one Minhajul Abedin Shoaib, 19, in connection with the incident.
Shoaib is a resident of Namazpur village of Pirojpur district. He is a relative of Omar’s family and used to live in their house, said Mahfuz Afzal, additional superintendent of police in Bagerhat.
On Sunday afternoon, he took the girl to a nearby orchard luring her with mangoes and killed her, said Mahfuz.
He then dumped the body in a nearby pond, the police official added.
Police suspect that Shoaib might have raped the girl before killing.
The body was sent to Bagerhat Sadar Hospital morgue for autopsy.
Omar yesterday filed a case with Bagerhat Sadar Police Station.
TWO NUSRAT MURDER ACCUSED CONFESS
Two more accused of the sensational Nusrat murder case yesterday confessed to their involvement in the killing
Iftekhair Uddin Rana and Imran Hosen alias Mamun gave the confessional statements before the court of Feni Senior Judicial Magistrate Md Zakir Hossain under section 164, court sources said.
In their statements, they both said they had a good relationship with the madrasa principal Siraj Ud Doula.