WASHINGTON, Sept 5 (Reuters) - U.S. immigration

authorities arrested 475 workers at a Hyundai facility in

Georgia on Thursday, a U.S. Immigration and Customs Enforcement

official said on Friday.

Many of those arrested had temporary visas for tourism and

business travel that are not authorized for work, including

South Korean nationals, the official told Reuters.

(Reporting by Ted Hesson; Editing by Chizu Nomiyama )