Inside Saudi Arabia's gilded prison
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Inside Saudi Arabia's gilded prison at Riyadh Ritz-Carlton

23 November 2017 Last updated at 12:19 GMT

Dozens of prominent Saudi figures are being held in the Ritz-Carlton in Riyadh. Many names are still secret, but the list is said to comprise at least 11 princes. It is part of an anti-corruption drive by the young Crown Prince, Mohammed bin Salman.

The BBC's Lyse Doucet was the first journalist to be allowed inside the hotel. She was given access by Saudi authorities.