Seeing their compatriots shackled at the wrists and ankles during the raid at the Hyundai facility last week jolted a population that typically views the U.S. very favorably.

South Korea’s president says Korean companies will likely hesitate to make further investments in the United States unless Washington improves its visa system for their employees, as U.S. authorities released hundreds of workers who were detained from a Georgia factory site last week.

Hundreds of South Korean workers detained by US immigration authorities in Georgia last week could soon be on their way home, but the impact the sweeping detentions have on US-South Korean relations – notably the countries’ deep economic ties – is likely to reverberate well into the future.

The raid saw hundreds of South Korean workers shackled and detained, straining diplomatic relations between Washington and Seoul, a key U.S. ally. Currently, 316 South Korean nationals and 14 others are in the process of being transported back to their country.

South Korea might send a government official to Washington after hundreds of South Koreans were arrested at an under-construction Hyundai battery plant.

The 316 South Koreans arrested at the Hyundai-LG plant in Georgia are on their way home. The raid may chill investment in the U.S., South Korea’s president said.