Prince Edward will officially open a leisure centre commemorating the Queen's Diamond Jubilee later.
The centre in Leicester cost £8 million to build and has state of the art facilities.
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Security is being hiked up ahead of the arrival of dignitaries for the Conservative Party Conference this weekend.
Black denies claims he allegedly offered advice on how to bribe officials at other clubs.
The pair are accused of being involved in a series of gun attacks that took place last year.