From NBC News
A spokesperson for the Los Angeles Police Department told NBC News Tuesday that officers responded to a report of an argument at a residence in the 19600 block of Citrus Ridge Drive in the San Fernando Valley area of Los Angeles.
The incident is being investigated as a battery and will be referred to the Los Angeles City Attorney's Office, according to the spokesperson.
Few details have been released, but TMZ reported that the woman alleged that Brown smacked her in the head hard enough for her hair weave to fall out.