Most of the 475 arrested were from South Korea, leading the country to express concern about the rights of those in custody.
www.bbc.com
South Korean media is hot
U.S. immigration crackdown arrests 450 at Hyundai-LG site Over 300 Koreans detained for visa violations; Seoul demands protection of citizens rights
www.chosun.com
During this process, not only undocumented immigrants but also a large number of Korean employees holding Electronic Travel Authorization (ESTA) or B1 commercial visas for attending meetings or contracts were arrested. Those arrested included employees from LG Energy Solution, Hyundai Engineering, which is in charge of the factory construction, and their subcontractors. The Atlanta division of the ATF announced via social media, "Approximately 450 undocumented immigrants were arrested."