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Scores of people die and hundreds more are injured when fire engulfs a club in the Argentine capital, Buenos Aires.

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Thousands of young people inside the club flee in panic as thick smoke fills the venue.

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Reports say many people were crushed in the rush to the exits.

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Most of the casualties are thought to have died from smoke inhalation.

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Many of the wounded taken to hospital are suffering from severe burns.

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Officials say they do not know exactly what caused the blaze...

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...but witnesses say it started after a flare or firework was shot at the ceiling, setting light to the roof.

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The local authorities say they expect the death toll to rise further.