A prisoner died while undergoing treatment at Rajshahi Medical College Hospital (RMCH) on Tuesday.
The deceased was identified as Abdul Jabbar, 45, son of Javed Ali of Paba upazila, said Hafizur Rahman, officer-in-charge of Rajpara Police Station.
The inmate was serving jail sentence at Rajshahi Central Jail, UNB reports.
On January 15, he fell sick and the prison authorities took him to RMCH.