LAHORE - A 40-year-old prisoner died under mysterious circumstances at New Kot Lakhpat Jail on Friday, Edhi Foundation spokesman said. The deceased was identified as Shoaib. Police investigators said that the deceased had been suffering from illness for couple of days. Jail administration shifted him to a nearby hospital where Shoaib breathed his last. Later, an Edhi ambulance shifted his body to the City morgue for autopsy.