A marathon car chase that started in Fairfield early Saturday afternoon ended in rural Napa County, more than 30 miles away, with a police K-9's bite, the California Highway Patrol reported. The incident began shortly before 2 p.m. when Fairfield Police tried to pull over a sedan for a traffic violation, Fairfield Police said. The driver was seen throwing baggies of his vehicle as he went onto Interstate 80. CHP ground units and a helicopter based at the Napa County Airport tracked the fleeing car through Jameson Canyon/Highway 12, then into the city of Napa. We're offering our best deal ever with this Editor's Special. Support local news coverage by subscribing to the Napa Valley Register.