New tougher supermax style units are set to be introduced for the most violent prisoners after Manchester Arena plotter Hashem Abedi allegedly attacked officers with hot cooking oil and homemade weapons last year. Deputy PM David Lammy , who is also the Justice Secretary, updated MPs on the findings of a review into how Abedi was able to carry out the alleged attack. He paid tribute to the injured officers and said the CCTV footage he had seen of the incident is "truly horrifying". Abedi, who