An inquest into the death of Charlie Todd, 18, at Durham Prison, is due to open on Thursday at County Durham and Darlington Coroners’ Court.
A Prison Service spokeswoman added: “HMP Durham prisoner Charlie Todd died in prison on September 2 and our thoughts are with his family and friends.
“As with all deaths in custody, there will be an independent investigation by the Prisons and Probation Ombudsman.”