Authorities are investigating Chris Brown for alleged assault in a parking lot near Los Angeles Sunday night.
Deputies responded to a report of six men fighting but found the scene clear. Witnesses say there had been a brief fight over a parking space, and authorities say Chris Brown allegedly punched someone.
The victim was not identified but celebrity website TMZ reports the fight involved Frank Ocean.
Ocean tweeted he was jumped by Brown and a couple of guys and suffered a finger cut. Brown's lawyer did not return calls for comment.
(Copyright 2012 The Associated Press. All rights reserved. This material may not be published, broadcast, rewritten or redistributed.)