U.S. immigration officials say some 475 people were detained during an immigration raid at a sprawling Georgia site where South Korean auto company Hyundai manufactures electric vehicles.

Immigration agents are conducting a raid at the sprawling industrial site where Hyundai makes electric vehicles in southeast Georgia.

U.S. regulators have concluded a monthslong review of their environmental permit for Hyundai's $7.6 billion electric vehicle plant in Georgia, finding that no changes are needed.