US President Donald Trump voiced support for the action by Saudi's leaders tweeting: "I have great confidence in King Salman and the Crown Prince of Saudi Arabia, they know exactly what they are doing".
Shares in several Saudi Arabian businesses have fallen in the wake of the major crackdown on corruption.
The growing list of princes and ministers caught up in the purge is widely seen as a move by Crown Prince Mohammed bin Salman to consolidate power.
However, the arrests of wealthy businessmen and owners of media outlets have shaken the markets.
Al Jazeera's Jamal Elshayyal explains.
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