The following information was provided by the Watertown Police Department. June 10, 2:28 a.m.: An officer patrolling in Watertown Square spotted a Toyota Highlander with a revoked registration. The vehicle was pulled over on Mt. Auburn Street near Walnut Street. While speaking with the driver and the passenger, police learned that the passenger had warrants for her arrest. Heather Lynch, 34 of Burlington, was arrested on five warrants: three from Waltham District Court (two for possession of a Class A substance and one for distribution of a Class A substance) and two from Boston District Court (one for larceny from a person and one for traffic violations). The driver, a 50-year-old woman from Waltham, was summonsed to Waltham District Court for driving a vehicle with a revoked registration, driving an uninsured motor vehicle, and driving an unregistered motor vehicle.