The level of violence being faced by humanitarian workers in Darfur is unprecedented , '' Manuel Aranda da Silva , the top United Nations aid official in Sudan , said in a statement .
Sudan
Darfur
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Sudan
Darfur
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Darfur
Sudan
/location/administrative_division/country
LOCATION
Darfur
PERSON
Manuel Aranda da Silva
ORGANIZATION
United Nations
LOCATION
Sudan