A prisoner at Pabna district jail died of cardiac arrest on Sunday afternoon. The dead was identified as Mansur Ali Akand, 65, of village Pati in Manirampur upazila in Jessore district. He had landed in jail on April 6, 2010 in a robbery case. Ishwardi police arrested him and sent him to jail. According to jail superintendent, Pabna, Mansur was feeling bad on Sunday noon. The jail authorities sent him to Pabna Medical College Hospital immediately but he died in the afternoon. Officer-in-charge of Pabna Sadar police station Md. Enayet Uddin said the body was sent to Pabna Medical College Hospital morgue for autopsy yesterday morning.