LAWRENCEVILLE, Ga. (WTHR) - Hazmat crews were called in to clean up a mess left by a Democratic Party campaign bus in Georgia. Officials with the Lawrenceville Police Department say officers were called to an auto part store Tuesday morning after receiving reports that a bus was illegally dumping its sewage into the storm drain. A store employee took pictures that show the bus in question, which is adorned with a photo of Democratic presidential nominee Hillary Clinton and her running mate, Sen.