LUXEMBURG, Wis. (WFRV) - Officials in Kewaunee County say they are investigating ATM thefts that occurred in Luxemburg early Monday morning. According to a release from the Kewaunee County Sheriff's Department, an off-duty deputy noticed suspicious activity a little after 3:00 a.m. at an ATM in Luxemburg. Other law enforcement responded to the scene and attempted to stop a suspect who was inside a vehicle. Green Bay Police Department investigating threat of potential school shootings at East and West High Officials say a short high-speed pursuit followed and ended after the suspect stopped. Other ATMs in the area were checked and showed at least one other ATM appearing to be tampered with. No other information is available at this time and an investigation is ongoing by the Kewaunee County Sheriff's Department with assistance from the Wisconsin Division of Criminal Investigation.