An accident that Waterloo Police say was caused by a medical issue injured at least one person Sunday night. The accident happened just before 8 on Cottage Street in Waterloo. According to officers the driver of a car experienced a medical issue which caused them to lose control of the car. The car then collided with a parked vehicle on the side of the street which rolled the first car on its top. Police say the injuries involved in the crash are not thought to be serious. The name of the driver has not been released.
