April : Police arrest three men , but woman says they were not her attackers . Police conduct raids in search for American woman 's whereabouts . The woman has n't been able to provide many clues about those who raped her , police say . She 's at her home under custody of a police officer , official says .
NEW : Police arrest three men , but woman says they were not her attackers . Police stage raids in search for American woman 's attackers . The woman has n't been able to provide many clues about men who raped her , police say . She 's at her hotel under protection of a police officer , official says .