AP PHOTOS: Brazil protesters take to streets again

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A riot police officer uses his front teeth to hold onto to a non-lethal grenade during an anti-government protest near the Cidade de Deus, or City of God slum, in Rio de Janeiro, Brazil, Friday, June 21, 2013. City centers around Brazil were still smoldering on Friday after 1 million protesters took to the streets amid growing calls on social media for a general strike next week. While most protesters were peaceful, some small groups clashed violently with police, who responded in some cases with tear gas, pepper spray and rubber bullets. (AP Photo/Felipe Dana)Tens of thousands of anti-government demonstrators again took to streets in several Brazilian cities Saturday, hours after President Dilma Rousseff broke a long silence to promise reforms.