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Relatives light candles for the 10 victims of the drug-trafficking clashes in Rio's slums - one is under this blanket.

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Hundreds of military police have been sent - but a Rio demand for 4,000 additional troops was rejected by the authorities.

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Helicopters have joined the hunt in the populous Rocinha favela - close to a luxury beachside zone of the city.

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Armed with machine guns, they are on almost every corner.

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Many suspects have been arrested - police and bystanders are said to be among the victims.

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They join a much larger group - mostly young people.

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The operation continues with roadblocks and frequent checks.