The rapper, 24, and a second man - believed to be one of Chris' bodyguards - were arrested and charged this morning (October 27) with felony assault.
The Washington Metropolitan Police Department has confirmed that the arrest took place.
The incident is alleged to have taken place outside the W Hotel and Sky News have reported that Chris was subsequently held in police custody.
It has also been reported that the charge could carry a four-year prison sentence for Chris as he's still on parole for assaulting his then-girlfriend Rihanna in 2009.
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