Two Isis-inspired extremists who plotted mass terror attack against Jews in Manchester held at cushy prison offering paint classes

The plan was foiled, however, after they unknowingly explained their scheme to an undercover operative.

Police said it could have been Britain's deadliest terrorist incident.

The pair, who had a "visceral dislike" of Jewish people, were found guilty before Christmas and now find themselves behind bars at Preston Prison, where graphic design courses are offered.

According to The Sun, they are given £20 a week to spend in the canteen, have Freeview TVs and DVD players and make phone calls.

They can also sign up for education courses and vocational training.

The jail boasts three gyms which Saadaoui and Hussein have access to.

One source said: "It’s outrageous they are together in a cushy medium-security prison like Preston rather than a tough, high-security one.

"They are clearly a huge danger, but their regime means they can mix freely and do things like make phone calls and order books and DVDs to their cells.

"They are also being given £20 per week of taxpayers’ money which they can spend on canteen treats like chocolate, crisps and fizzy drinks.

"They will also have access to the mosque and to chaplains and psychologists.

"When you look at the contrast between how dangerous their plot was and what comfortable conditions they are being held in, it makes you sick.

"It shows what a state the prison system is in."

The Tunisian-born duo had conducted surveillance trips to scout out certain locations in Manchester, in order to carry out the attacks.

The pair are even said to have told an officer they were targeting Jews, but if any Christians got in the way, "that is a bonus".

The court heard Saadaoui hero-worshipped IS terrorist Abdelhamid Abaaoud, who orchestrated the 2015 Paris terror attacks in which 130 people were killed and hundreds more injured in multiple shootings across the French capital.

Counter-terrorism police intervened on the "strike day" of May 8 last year, with more than 200 officers involved.

Saadaoui initially came to the attention of the authorities when he used up to 10 different Facebook accounts, none of which were in his own name.

The accounts were used to spread Islamist extremist and antisemitic views, such as saying: "God willing, we will degrade and humiliate them (in the worst way possible), and hit them where it hurts."

They will be sentenced on February 13.

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