Riot police step in to stop rock and bottle throwing at Los Angeles rally

Los Angeles riot police were called in to break up the May 1 immigration "rally" at MacArthur Park. The call for help went out once police saw several people throwing bottle and rocks at police officers. Numerous officers were deployed to the area at dusk.

The situation remained tense until the riot police had broken up the crowd by firing rubber bullets. The incident was caught on tape by several media organizations.

Police arrested several people suspected of instigating the rock and bottle throwing. throwing rock. Police used batons to push several people who had spilled into the street back onto the sidewalk. There were no reports of injuries.

Across the nation, the May 1 rallies drew far fewer supporters than they had a year ago.