U.S. President Donald Trump says the house of Saud knows exactly what they are doing.
The posts on social media come as Saudi Arabia's attorney general says the arrests - dozens of officials and royal princes - are just the beginning of a major anti-corruption drive.
Our U.S. correspondent Priscilla Huff has the reaction from Washington:
IN: "Locking up...
OUT: ...from Washington"
DUR: 57
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