Updated at: 10/06/2009 10:56 AM

Suspect Arrested In Grand Portage Armed Robbery

Cook County Sheriff Mark Falk says authorities arrested a 73-year-old Cook County man in the Twin Cities early Monday morning. The man was arrested in connection with Thursday's armed robbery at the Grand Portage Trading Post. Authorities say the Minnesota Bureau of Criminal Apprehension assisted in the investigation.

Authorities are still investigating the incident. The Sheriff's Office says they will not release the name of the suspect until formal charges are filed.