A Pierre man is arrested for aggravated assault after incident involving a knife on Thursday morning. Pierre Police Captain Jason Jones says officers received a report of a disturbance in the 300 block of South Pierre Street just after 1:30 am. The disturbance involved a report of a man who brandished a knife toward two individuals in a Pierre business. When officers arrived, they made contact with the suspect who was detained without further incident. The suspect, 35-year-old Zachary Zander of Pierre was found to be in possession of two knives. Police interviewed the victims regarding the events leading up the incident. They have been identified only as a 24 and 26 year old male. Zander was arrested on two counts of Aggravated Assault. He was transported to the Hughes County Jail.