The East African Thursday March 11 2021 Inmates at a prison in Sierra Leone. Prison authorities in the country have imposed a ban on a local watchdog group over a report on a deadly prison riot which occurred last year. PHOTO | FILE | AFP Summary Last year's riot at the main maximum security prison, the Freetown Correctional Centre, better known by its original name as Pandemba Road Prison, has been described as the deadliest in the history of prison unrest in the country. Advertisement Prison authorities in Sierra Leone have imposed a ban on a local watchdog group over a report on a deadly prison riot which occurred last year.