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Police investigators inspect debris at the scene of the exlposion.
Police investigators inspect debris at the scene of the exlposion.

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    Russia on alert as Sochi games approach

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Russia on alert as Sochi games approach

Two bombings in the space of 24 hours shock the Russian city of Volgograd. CNNs Diana Magnay reports.

Russia on alert as Sochi games approach

Two bombings in the space of 24 hours shock the Russian city of Volgograd. CNNs Diana Magnay reports.