Death Row co-founder Marion "Suge" Knight has been arrested on assault and drug charges.
Las Vegas police said the 43-year-old was accused of beating his girlfriend while brandishing a knife.
Knight was also charged with being in possession of ecstasy and the prescription narcotic Hydrocodone, police said in a statement.
Knight was taken to Clark County Detention Center.Knight and is expected to be released on bail shortly; the music mogul is scheduled to appear in court on 26 September.
The unnamed woman was not stabbed but was taken to hospital and treated for injuries.
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