Chris Brown is being accused of punching fellow R&B star Frank Ocean in a parking lot brawl Sunday night in West Hollywood.

An Los Angeles Sheriff's Department confirms "Chris Brown and the victim were involved in an altercation over a parking space. The altercation allegedly led to Chris Brown punching the victim." Brown's and Ocean's entourages then got involved and separated the singers.

Ocean took to Twitter to break news of the fight, writing, "got jumped by chris and a couple guys. lol. cut my finger now I can't play w two hands at the grammys." Ocean's debut album ORANGE is nominated for six Grammys.

This isn't Brown's first trouble with the law ... of course his 2009 pre-Grammys attack on then-girlfriend Rihanna is well documented. Then last year, Chris foughttalk with Hillard on the phone. Officer Newell testified that though he could not recall who was in the office during the phone call, he was sure there were probably other people present. He also testified that he kept in close proximity to Marrs during the phone call. Marrs testified that he felt unable to talk openly with Hillard because of the officer's presence, and he responded to Hillard's questions with "yes" and "no" answers. Hillard advised Marrs not to take the breathalyzer until he arrived, and he said he would be there right away.
The testimony regarding the events following the phone call was in some dispute at the hearing. Marrs testified that he told Officer Newell that his attorney was on his way. Officer Newell, however, testified