The authorities in Germany are investigating the Russian businessman , Dmitri V. Kovtun , on suspicion that he handled the polonium during his visit to Hamburg .
Germany /location/country/administrative_divisions Hamburg
Germany /location/location/contains Hamburg
Hamburg /location/administrative_division/country Germany
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Germany
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Hamburg
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/location/country/administrative_divisions
Germany
LOCATION
Hamburg
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Hamburg
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Germany
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/location/administrative_division/country