A ban on filming in court will be lifted for the first time in 90 years later, when cameras record proceedings at the Old Bailey. Cameras will film real cases at the Court of Appeal.
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Sir Bernard Hogan-Howe's decision to retire comes after growing speculation about his future and his relationship with mayor Sadiq Khan.
Sir Bernard Hogan-Howe is to retire after five years as the Commissioner of the Metropolitan Police, according to Scotland Yard.
The curtain will come down on the show for the final time at the Piccadilly Theatre in March next year, before embarking on a UK tour.