A peaceful protest has descended into fresh violence in the Californian city of Oakland, as police moved in to break up an 'Occupy' rally. At least 100 demonstrators have been arrested. The tough police action has also left another U.S. army veteran badly injured, the second such incident in just over a week. New York Mayor Michael Bloomberg said the Oakland-style violence won't be repeated in his city, adding that some of the behavior seen at Zuccotti Park, won't be tolerated. That's left protesters fearing that New York police could be preparing to shut down the camps, as RT's Marina Portnaya reports.

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