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London student admitted she still suffers from "nightmares" as she relieves her atrocious experience in Tehran's Evin Prison after she was arrested on claims of espionage. The Iranian-born student, who moved to Finland aged four before moving to the UK and holds a double Iranian-Finnish passport, was stopped when she landed in Tehran when she was 21 and asked to turn in her laptop and computer. The Islamic Revolutionary Guard Corps (IRGC) went on to put the girl under surveillance after finding pictures of Ana with now-Prime Minister Boris Johnson and his predecessor David Cameron.

Speaking for the first time since her imprisonment and later return to the UK, Ana told Channel 4 News: "I was very active with Boris Johnson’s campaign and I had lots of photos with him and then I attended the Conservative Party conference and all these events. "They told my dad they would be ok with us being MI6 spies as long as we work as double agents and what I thought was quite remarkable was that they would go as far as saying, ‘we have people all over the world so you are never really alone if you need you need a hand in a particular mission.’" The young girl, now 24, lived under strict surveillance for over a year before she was taken to court to face the 52 charges the Iranian Government moved against her – three of which would have resulted in the death penalty. After the cleric charged with her case went on a tirade because of Ana providing her answers in English – as the London student admitted she cannot write in Persian – she was brought to the infamous Evin Prison in Tehran where double national Nazanin Zaghari-Ratcliffe is currently being held. READ MORE: Iran threat: Boris Johnson needs alliance in Strait but not with Trump, says ex-diplomat

Iran prison: Ana was suspected of being a spy due to photos of Johnson and Cameron on her phone

Iran news: Ana admitted she was subjected to psychological torture while in prison

I was told, ‘did you hear about the girl? It’s not a girl, it’s your mum.’ They said, ‘it’s your mum, she lied Ana Diamond

Asked whether the IRGC tortured her while under arrest, Ana said: "It depends on how you define torture. On occasions, they would be beating someone up, a female. "I was told, ‘did you hear about the girl? It’s not a girl, it’s your mum.’ They said, ‘it’s your mum, she lied to us, she wasn’t really willing to tell us the truth.’" Ana also admitted the psychological struggle she faced during confinement in prison had her feeling relieved when interrogated/ She continued: "It sounds crazy but I almost liked going to interrogations just to get myself out of solitary. "I really want to emphasise how stressful and how devastating solitary is because that’s just you with your thoughts."

Iran news: Ana developed a stress-induced heart condition while in prison

Ana remained in isolation for over seven months before guards at Evin Prison took her from her cell and forced her onto a van, driving the handcuffed girl into the desert outside Tehran. The tearful 24-year-old was out of the van, catching a glimpse of one of the armed guards from below the blindfold the IRGC had placed over her eyes. Ana said she felt a sudden push to "grab that gun" to attempt an escape but ultimately gave in. She said: "You don’t want to beg because you are so hurt you don’t want to be like ‘no, please, don’t kill me.’ "Also, there was a level of stubbornness to me because I said, ‘I haven’t done this, I’m not going to confess, I’m not going to tell them what they want to hear because if I die, I want to die as someone who didn’t bend down to a false confession.’ If you did confess, they would put you on TV, they would use you and then they would kill you." DON'T MISS: Iran military strength REVEALED as tensions with the UK soar - shock chart

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Iran news: Ana was only released after her grandfather posted bail

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Ana claimed the guard ultimately told her he "didn't have time" to execute her and she was returned to Evin Prison. Her grandfather, an eminent cleric in Iran, succeeded in posting bail and had the girl taken to hospital, where she was diagnosed with a stress-induced heart condition. Following her release, Ana hired a lawyer to have her charges overturned from the death penalty to a 10-year prison sentence. However, she persisted in declaring her innocence and sought the help of Iran's Supreme Leader Ali Khamenei. She continued: "I put on a chador, made a to-do list – basically of all the big political figures in Iran who had influence – but the first thing I did was go to the Supreme Leader’s office. "I walked in, I was the only woman in the whole place and I said I wanted to see someone." She ultimately managed to find one employee who believed her and helped her return home: "The reason why he connected with me and he was interested in helping me was because his own son was studying at a quite renowned British institution.

Iran news: Zaghari-Ratcliffe has been held in Evin since 2016