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Jae C. Hong, Associated Press
Police officers arrests a protester during a rally in Los Angeles, Thursday, Nov. 17, 2011. Occupy Wall Street demonstrators held modestly sized, but energetic rallies around the country Thursday to celebrate two months since the movementÍs birth and signal that they arenÍt ready to quit yet, despite police raids that have destroyed some of their encampments.

LOS ANGELES — Several hundred Occupy Wall Street sympathizers are on the move in downtown Los Angeles again but this time police have blocked their path.

Earlier Thursday, Los Angeles police arrested 23 people without incident after they sat down in a street during a peaceful rally by hundreds of people organized by labor groups who had a permit. Two other people were also arrested separately for interfering with officers.

The day's second march left the Occupy LA encampment at City Hall shortly after noon and headed down Broadway before police stopped them. One person has been arrested.