Muhammad Bin Salman (MbS), the Saudi crown prince, announced on Thursday that he had wrapped up the anti-corruption campaign he launched more than a year ago by issuing a royal edict for imprisoning scores of prominent princes and world-class tycoons at the Ritz-Carlton Hotel of Riyadh. Most were released after pouring some $100bn of their assets into the Saudi royal treasury. The anti-corruption bureau set up by the prince reported 381 arrests of Saudi citizens, 87 of which confessed to the charges brought against them and paid the fines imposed by the Saudi prosecution. The eight who refused to pay fines will go on trial. The prosecution refused to deal with another 56 of the accused. Their properties were impounded and they will be tried. The rest were released.