BRITAIN'S most dangerous prison is home to 750 of the nation's most violent criminals - and houses a notorious killer in a glass box.

HMP Wakefield, often dubbed "Monster Mansion", has infamous rapists, terrorists and serial killers banged up inside.

HMP Wakefield houses some of Britain's most depraved criminals

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HMP Wakefield houses some of Britain's most depraved criminalsCredit: PA:Press Association
Nicknamed Monster Mansion, it is the UK's largest high-security prison

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Nicknamed Monster Mansion, it is the UK's largest high-security prisonCredit: Alamy
Serial killer Robert Maudsley spends 23 hours a day in a Perspex box

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Serial killer Robert Maudsley spends 23 hours a day in a Perspex box
A single cell in HMP Wakefield

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A single cell in HMP WakefieldCredit: Alamy
Convicted paedophile Ian Watkins is also locked up there

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Convicted paedophile Ian Watkins is also locked up thereCredit: PA:Press Association

It holds around 750 of the country's most dangerous people, predominantly sex offenders and prisoners serving life sentences.

In early August former Lostprophets frontman Ian Watkins was knifed while serving his sentence and raced to hospital after the attack.

He had been behind bars at the time - after being locked for 35 years in 2013 for 13 offences against children.

The convicted paedophile was taken hostage by three other lags, before being “roughed up” and shanked - and left in a critical condition.

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A source told The Sun: “He was screaming and was obviously terrified and in fear of his life."

Elsewhere in the prison, serial killer Robert Maudsley - who tortured and murdered four men - spends 23 hours a day in a 18ft by 14ft underground Perspex box.

Maudsley, who was moved to Wakefield in 1978, has since vowed to kill again if he is ever released.

A slew of other depraved criminals are also imprisoned in the UK's largest high-security prison.

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Harold Shipman stands out as the most notorious. The most prolific serial killer in modern times was found guilty and sentenced to life imprisonment on 15 counts of murder across three decades, but is suspected to have killed up to 250 people.

The doctor, who became known as 'The Angel of Death', lethally injected his helpless victims with diamorphine. He was found hanged in his cell in 2004 on the eve of his 58th birthday.

Little Chef waiter Jeremy Bamber slayed his adoptive parents, sister and nephews in a cold-blooded massacre in 1985.

Serving a life sentence, he has helped other prisoners to read and write and transcribed books into braille.

Indonesian citizen Reynhard Sinaga, a PhD student at Leeds University, lured his victims to his flat in Manchester before sedating and raping them. He would then flock to Whatsapp to boast of his sexual conquests.

The man - known as 'Britain's worst rapist' - was sent to HMP Wakefield in 2020 after sexually assaulting up to 200 men.

And Charles Bronson, widely regarded as Britain's "most violent prisoner", has endured a turbulent existence at the ill-famed prison.

First sentenced to seven years for armed robbery, a subsequent crime spree - including an affinity for holding prison guards hostage in his cell - led to imprisonment at HMP Wakefield.

In recent years, savage prisoners have carried out vicious attacks against fellow inmates convicted for crimes against children.

'WAREHOUSE FOR THE WORST'

In August last year, the man accused of stabbing nine-year-old Lilia Valutyte to death in Lincolnshire was set upon by a cluster of prisoners with a makeshift "shank".

Lithuanian Deividas Skebas, formerly a fruit picker, was airlifted to an ambulance following the attack.

As well as its "Monster Mansion" nickname, HMP Wakefield has also been dubbed the "warehouse for the worst".

Each wing of the prison can house 160 inmates with cells containing hard iron beds.

But conditions in the facility are not nearly as stark as you may expect.

A report following the latest inspection of HMP Wakefield in 2018 revealed that "the prison was calm and had an atmosphere that spoke of good order, safety, security and decency".

Prisoners are reportedly able to order items from an Argos catalogue.

The prison's kitchen caters for myriad religious and medical diets.

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And regular access to the gym is a luxury afforded to those admitted.

UK's most notorious gangsters and criminals

Inmates include serial killer Robert Maudsley and Britain's 'most violent prisoner' Charles Bronson

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Inmates include serial killer Robert Maudsley and Britain's 'most violent prisoner' Charles BronsonCredit: Alamy
Charles Bronson is serving a life sentence for a string of crimes

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Charles Bronson is serving a life sentence for a string of crimesCredit: Rex
Dr Harold Shipman, who lethally injected 15 patients, took his own life in his cell in 2004

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Dr Harold Shipman, who lethally injected 15 patients, took his own life in his cell in 2004Credit: Alamy
Jeremy Bamber was jailed for life in 1986 for the murders of five members of his family

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Jeremy Bamber was jailed for life in 1986 for the murders of five members of his familyCredit: PA:Press Association
'Britain's worst rapist' Reynhard Sinaga raped up to 200 men

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'Britain's worst rapist' Reynhard Sinaga raped up to 200 menCredit: PA