Brazil army shuts down largest favela in Rio de Janeiro

Drug violence has led Brazil's government to shut down roads and close schools in the country's largest favela. Even the army has been called to intervene.

    Drug violence has led Brazil's government to shut down roads and close schools in the country's largest favela.

    Even the army has been called to intervene.

    Al Jazeera's Katia Lopez-Hodoyan reports.


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