This video was taken by Manuel Gallegos, 32, who was recording police officers at a Hollywood Critical Mass.
The video clearly shows a police officer at the event first causing a bicyclist to fall, and second getting into an altercation with Gallegos. Gallegos is alleging assault, battery, false arrest, false imprisonment, malicious prosecution, negligence, and intentional infliction of emotional distress, and is a precursor to a lawsuit.
Apparently after the incident the LAPD launched an internal probe –and recently suspended 4 officers over the contents of the video. This would seem to contrast their initial statement that the “use of force” captured on the video was in the service of detaining traffic violators.