was arrested on a felony assault charge in Washington D.C. on Sunday after a scuffle outside the W Hotel.
Brown, 24, and his bodyguard, Christopher Hollosy, got into a "physical altercation" with a third man around 4:30 a.m., says police spokeswoman Gwendolyn Crump.
Hollosy, 35, was also arrested on a felony assault charge. The alleged victim was treated at the hospital and released.
Brown and Hollosy are expected to remain in jail until a Monday court date.
Brown is still on probation
for his assault on former girlfriend Rihanna
His sentence for that crime also included community service
and a yearlong domestic violence course
After completing the class in 2010, Brown posted to Twitter, "I have enough self respect and decency to be proud of accomplishing this DV class. Boyz run from [their] mistakes. Men learn from them!!!"