A madrasa student was found dead in Bagerhat's Morelganj upazila on Sunday.
The 10-year-old Hasibul Sheikh was a student of Nobboirashi Alhaz Rahmatia Smriti Sishu Sadan.
The locals spotted Hasibul's body beside his educational institution in the morning and informed the police.
The law enforcement then recovered the body and sent it to local hospital morgue for autopsy.
Bagerhat Superintendent of Police Pankaj Chandra Roy said Hasibul got admitted to Sishu Sadan two years back to learn the Quran.
"He had several injury marks on his head and throat. Police are investigating the incident and quizzing some teachers of Sishu Sadan."
"Some 50 students including 35 residential ones are taking lessons at the institution," Pankaj said.