Summarize and humanize this content to 2000 words in 6 paragraphs in EnglishA jailed murderer who was killed by another inmate in the latest shocking prison security breach died of a head injury, police revealed today. John Mansfield, who was jailed for life in 2007 for the drug-fuelled murder of his neighbour Ann Alfanso, 63, was attacked on Sunday inside HMP Whitemoor, Cambs.Mansfield, who had 75 previous convictions, was murdered just a day after three prison officers were doused with boiling hot oil and stabbed with makeshift weapons. In a separate attack on Saturday, Manchester Arena terrorist Hashem Abedi attacked three prison officers inside a separation centre in HMP Frankland, Co Durham.In the latest incident, Mansfield, 63, was attacked by a fellow prisoner and died despite the efforts of prison staff.A post-mortem examination has now concluded he died as a result of a head injury, Cambridgeshire Police said this morning. A 44-year-old man has been arrested on suspicion of murder and remains in custody. Police were called at 4.10pm on Sunday following the discovery of Mansfield’s body and he died at the prison at 4.27pm.  John Mansfield was jailed for life at Manchester Crown Court for the brutal murder of Ann Alfanso, 63, of Whalley Range Ann Alfanso was found dead in her home after Mansfield stabbed her almost 100 timesMansfield, originally from Manchester, had been told he was unlikely to ever be released from prison following his 2014 attack on John Orme, a convicted rapist held at HMP Full Sutton, near York. Then aged 52, Mansfield was said to have walked up to Orme in his cell and told him ‘I have a present for you’ before slashing him seven times with a broken plate in a row over a cooking pot.The attack severed his victim’s artery leaving him requiring 22 stitches.Mansfield received a second life sentence in 2014 for the attack.It was the second time he had been convicted of a prison attack.In 2011 he was convicted of wounding a man he hated with a chair leg inside Manchester’s Strangeways Prison.Sentencing him to a second life term in 2014, Judge Jeremy Richardson QC, said: ‘This was a pre-planned and calculating attack on a fellow inmate. You would have carried on had you not been prevented.’I doubt very much it will ever be safe to release you. I have no doubt you are a very dangerous criminal who regards violence as the norm, who has no hesitation but to kill when necessary.’You killed an old lady. Now you have convictions for two violent offences in prison. I have every reason to believe it will never be safe to release you. You are a violent and very dangerous man who poses a considerable threat to the public.’ John Mansfield, who was jailed for life in 2007 for the drug-fuelled murder of his neighbour Ann Alfanso, 63, was attacked inside HMP Whitemoor (pictured)Mansfield claimed he could not remember stabbing his first victim when he was first captured.Ann Alfanso was found dead in her home in May Road, Whalley Range, Manchester, in 2006. She had been stabbed about 20 times in the head and neck. A post-mortem examination found she had a total of 97 wounds, bruises and cuts on her body as a result of the attack. Mansfield admitted her murder which police believe he carried out for a ‘pocketful of change’. Ministers are currently under pressure to get a grip on security in Britain’s jails after Hashem Abedi left three prison officers just ‘millimetres’ from death. Abedi – who helped his brother, suicide bomber Salman Abedi, plan the Manchester atrocity – fashioned two 20cm blades from a baking tray.He hurled hot oil on the three officers before attacking them with the blades. CCTV showing Hashem Abedi in Belmarsh prison prior to storming the office of its custody manager in 2022The Ministry of Justice is carrying out a review on as gruesome details emerged of the attack at HMP Frankland, County Durham.Abedi was known to be one of the most dangerous inmates in the UK, with a history of attacking officers.He was ordered to serve a record 55-year minimum term for helping his brother murder 22 people, many of them children, at the Manchester Arena in 2017.Yet he was given privileges including being allowed to cook for himself in a prison kitchen where he managed to create the blades.Abedi is said to have dashed out of the kitchen just before lunchtime on Saturday clutching the weapons and a pan of boiling oil which he flung at the nearest three prison officers he encountered on a landing.One male officer was then stabbed in the neck, with the blade coming close to severing an artery, reportedly leaving the victim ‘just millimetres’ from death.Another male officer was stabbed at least five times in the back, puncturing a lung.One of their female colleagues was also injured. The boiling oil is said to have left victims with third-degree burns. Manchester Arena bomb plotter Hashem Abedi (pictured)  had access to a ‘self-cook kitchen’, hot cooking oil and the materials for the makeshift weapons used in his attackMark Fairhurst, the national chairman of the Prison Officers Association, has been calling for officers to be issued with stab vests.He said: ‘I do not know why we are so terrified of upsetting terrorist offenders. We are appeasing them instead of treating them as the threat that they represent.’We need to stop allowing terrorist offenders in separation centres the freedom and privilege to use self-cook facilities and we need to issue stab-proof vests and protective equipment to officers.’The use of Tasers may not have prevented this attack as those officers would not have had time to draw them, but their injuries would have been severely reduced if they had them.’Staff are now at risk from copycat attacks in other prisons. These are terrorists – how do we know this will not result in a call to arms?’Terrorist prisoners are intent on causing harm, and people in these separation centres want to destroy our way of life. Why are we appeasing people who want to kill us?’After the attack, Justice Secretary Shabana Mahmood promised: ‘I will be pushing for the strongest possible punishment.’The use of kitchen facilities inside separation centres has currently been suspended, it emerged earlier this week.

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