(Portland, OR) -- An investigation is underway into the death of an inmate at the Multnomah County Detention Center. KATU-2 reports the county sheriff's office is looking into the circumstances surrounding the death of 35-year-old Dominique Ware last Friday. Police say corrections personnel and health care staff treated Ware last Thursday, and he was transported to a hospital, where he died the next night. Ware had been booked into the county jail last Wednesday and was released from custody prior to his death Friday. No word yet on how Ware died.