Chris Brown was arrested for allegedly assaulting a man this morning (27.10.13).

The 'Fine China' singer was picked up by police in Washington, DC, at around 4.30am this morning after getting into an altercation with an unnamed male outside the W Hotel, according to TMZ.

The 24-year-old star has been charged with felony assault and is still in custody at a local police station, and his alleged victim is still in hospital undergoing treatment.

According to the report, Chris was arguing with the man outside the hotel in the early hours of this morning and things quickly turned physical as the star ''began punching'' the man.

Law enforcement sources say the 'Yeah 3X' rapper - who was in town to host a party at the nearby Park and 14th nightclub - wasn't under the influence of any substances or alcohol at the time of his arrest.

Chris is still on probation for assaulting his former girlfriend Rihanna, 25, in February 2009.

This latest arrest could be deemed a violation of his probation and result in Chris being sentenced to four years in prison.

In July, the star's probation was briefly revoked when he was involved in a hit-and-run, incident but it was later reinstated in August.

Chris has been involved in altercations with rappers Drake and Frank Ocean over the last couple of years but neither incident led to criminal charges.