The far-right anti-Islam activist Stephen Yaxley-Lennon, also known as Tommy Robinson, is due to be released from prison four months early.
His 18-month sentence for contempt of court was reduced after a hearing at the High Court on Tuesday.
Yaxley-Lennon was jailed last October because he ignored an order not to repeat false allegations about a Syrian refugee who successfully sued him for libel.
His lawyers told the court he had since shown a “commitment” to comply with the order. Mr Justice Johnson granted the application to have the sentence reduced because Robinson had shown a “change in attitude” since he was sentenced.
The judge noted there was an “absence of contrition or remorse” from Yaxley-Lennon, but added: “He has given an assurance that he will comply with the injunction in the future, that he has no intention of breaching it again, and that he is aware of the consequences of what would happen if he breached the injunction again.”
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