Lessons will be learned from Mountjoy Prison murder, says Helen McEntee 

Mountjoy Prison in Dublin where an inmate who was attacked has died (Haydn West/PA)

The Minister for Justice said lessons will be learned from the murder of a prisoner who died following a vicious beating at Dublin’s Mountjoy Prison.

Helen McEntee said that while the killing of prisoners is “very rare”, the tragic death of Robert O’Connor is not acceptable in the prison service.