22 November 2012 Last updated at 16:35 Help Former prisoner John Hirst says prisoners should be able to vote because it is their human right. Mr Hirst, who was convicted of manslaughter in 1980, launched a legal action against the government over the ban preventing prisoners from voting. On Thursday, Justice Secretary Chris Grayling told MPs they could vote to defy a European Court of Human Rights ruling and keep the ban on prisoners voting. But Mr Grayling said there would be a "political cost" in doing so.
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