The massive raid snatched up Korean nationals who were visiting the Hyundai plant on business travel.

Multiple reputable sources confirm that U.S. Immigration authorities conducted one of the largest workplace raids in recent history at a Hyundai-related facility in Georgia, detaining approximately 450 to 475 people. The majority of those detained were South Korean nationals. Several sources specifically mention that among those detained were Korean nationals visiting the plant on business travel, including employees from other South Korean companies.thedailybeast.comthedailybeast.comICE Arrests Almost 500 People at Hyundai Plant in Georgiareddit.comreddit.comr/electricvehicles on Reddit: Over 30 Koreans on business trips arrested in ICE...

While the core claim that Korean nationals visiting on business travel were detained is supported by credible sources (notably The Daily Beast citing the Wall Street Journal and Reddit community reports), the exact number of such visitors is less clear but suggested to be over 30.reddit.comreddit.comr/electricvehicles on Reddit: Over 30 Koreans on business trips arrested in ICE... The overall context is an immigration enforcement action targeting workers at the plant, not exclusively visitors, which is an important nuance.

Therefore, the statement is mostly true but should be understood within the broader context that the raid included both employees and some visiting Korean nationals on business travel.