A FAR-right terrorist was caught with a machine gun in his jail cell bed — made out of papier-maché.

       Prison chiefs fear John Nimmo, 33, was planning a daring escape attempt.

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       Far-right terrorist John Nimmo was caught with a machine gun in his jail cell bed — made out of papier-maché

       The thug, serving ten years, had spent weeks secretly crafting the Uzi-style sub-machine gun from materials stolen from a jail workshop.

       The “weapon” had a realistic trigger, grip and barrel, and was painted black.

       Nimmo hid it in his bed at HMP Frankland, Co Durham.

       But staff spotted its muzzle poking out of his sheets, sparking a security alert, with cops now probing.

       Last night, a source said: “Nimmo had put a huge amount of work into it — he clearly has talent.

       “The concern, of course, was what he intended to use it for. Fake guns have been used in escape attempts in the past.”

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       Weapons-nut Nimmo, of South Shields, Tyne and Wear, was jailed in May for ten years and two months for a string of terror offences.

       The racist admitted encouraging terrorism, distributing material likely to stir up hatred and firearm possession.

       He used social media to call for the murder of Muslims.

       Nimmo previously served time for sending abuse to ex-Labour MP Luciana Berger.

       Sentencing, judge Robert Adams said: “Nimmo has a racist and Islamophobic mindset. Clearly, he’s dangerous.”

       The Prison Service said: “An item was found and confiscated, and the prisoner has been put in segregation.”