People try to pull away the shild of Riot Police during a demonstration in Caracas, today April 4, 2017. Protesters clashed with police in Venezuela Tuesday as the opposition mobilized against moves to tighten President Nicolas Maduro's grip on power. Protesters hurled stones at riot police who fired tear gas as they blocked the demonstrators from advancing through central Caracas, where pro-government activists were also planning to march. (Photo by Manaure Quintero/NurPhoto via Getty Images)
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