"Description of . A demonstrator, wearing a mask, dances during a national strike in Santiago, Chile, Wednesday, Aug. 24, 2011. Some people are stoning buses and burning barricades as Santiago\'s streets fill with tear gas. Protesters planned marches downtown, but the government has warned them to stay out, threatening to invoke Chile\'s severe state security law against people who ""incite the subversion of public order.\"" (AP Photo/Roberto Candia)"
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