Salman issued a warrant for 'the immediate arrest ... and imprisonment' of Prince Saudi, a descendent of Saudi Arabia's founder, along with a group of men who appeared in the videos uploaded to YouTube, Al-Ikhbariya television reported.
A video circulating on social media showed police escorting the young prince one of the thousands of members of the royal family out of a house in handcuffs.
The arrest came after the prince, whose face can clearly be seen in some of the videos shared via Twitter Wednesday, unleashed a wave of verbal and physical abuse on Saudis and foreigners.
"You park by my house, you ... eunuch, I'll screw your mother in her grave," he says to a dazed driver bleeding from the mouth, his clothes splattered with blood.
"Do you understand?" he asks the man, who nods and turns away.
In another video, a man moaning and clutching his head is led out of a house with an automatic rifle pointed at his back.
The prince also pummels a man cowering in a chair who waits for him to pause and insists, "Honest to God, I didn't do anything. I swear to God."
"No matter who you are prince, minister, citizen no one is above the law," read one tweet.
The victims in the videos will be called to testify in court, according to a royal decree carried by Al-Ikhbariya.
Saudi Arabia has one of the world's highest rates of execution and widely imposes harsh sentences for criminal offences.
In a highly unusual case, the kingdom last year executed a prince convicted of murder.
(This story has not been edited by NDTV staff and is auto-generated from a syndicated feed.)
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