Arrests have been made in connection with a paintball incident that occurred Wednesday night. Four juveniles are facing assault charges related to shooting paintballs. Waterloo Police say around 5:15PM, officers were called to the area of Baltimore and Cornwall on a report of people shooting paintballs. Officers were able to find the vehicle that the juveniles were using and the four were all charged with assault. Police have not charged them with being involved with a round of incidents Tuesday night that left cars, homes and property at Waterloo West High School with paint marks from being hit with paintballs. That investigation is still continuing.