SEOUL >> South Korean police say they have raided the offices of Google Korea and Daum Communications Corp. for allegedly collecting private information without permission.

Police say Daum and a subsidiary of Google Korea are believed to have collected information on the location of smartphone users for advertising purposes. Daum is South Korea’s second-largest online portal service after Naver.

South Korean prosecutors are also investigating accusations that Google Inc. collected e-mails from unsecured wireless networks while photographing neighborhoods for its mapping service in 2009 and 2010.

A public relations firm working for Google says police came to the Seoul office and says the company will cooperate.