The Fond du Lac County Sheriff’s Office is investigating an armed robbery at an adult toy store. Sheriff’s lieutenant of detectives Chris Randall says the Xcite Adult store on Highway N, just off Interstate 41 was robbed shortly before 6:30pm Sunday. Randall says the store clerk says a white male entered the store, displayed a knife and demanded money. The clerk was not injured in the incident. The suspect is described as a white male, five-feet-six to five-feet nine inches tall, with a tattoo or birth mark on his right forearm. Anyone with information is asked to call the Sheriff’s Office.