Former prisoner Ben Gunn has told Daybreak that every prisoner has the right to vote.
He said: "When we spend our money, when we deal with our families, we're still members of society, a secluded part but still deeply connected to society,"
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The Duke and Duchess of Cambridge met young people who have battled mental health issues on Saturday.
Former Chancellor Lord Geoffrey Howe was Margaret Thatcher's longest-serving Cabinet minister, also taking on the role of Foreign Secretary.
Lord Geoffrey Howe is known by many for his resignation speech which was seen as the catalyst which destroyed Margaret Thatcher.