Russell Brand In Custody -- Citizen's Arrest
Russell Brand has just been arrested for allegedly attacking paparazzi at LAX airport ... TMZ has learned, and it was a citizen's arrest.
As we first reported, Brand and Katy Perry were going through Delta security when he allegedly began pushing and striking paparazzi.
We're told a photog -- one of the alleged victims -- made the citizen's arrest and LAX cops facilitated it.
Cops interviewed Brand, then took him into custody. Cops say he's being booked for battery.
Check out
![](https://imagez.tmz.com/image/4a/16by9/2011/12/17/4a5763c204ea5ca2b7c8698775191808_md.jpg)
of another angle of the incident.
UPDATE 5:54 PM PT: Russell has posted $20,000 bail and has left the police station.
Around the same time, Katy defended Russell via Twitter, saying, "If you cross the line & try an put a lens up my dress, my fiancé will do his job & protect me."
The alleged upskirting is not seen in video of the incident.