A South Korean charter plane left for the U.S. on Wednesday to bring back Korean workers detained in an immigration raid in Georgia. A total of 475 workers, more than 300 of them South Koreans, were rounded up in the Sept.

South Korea's negotiations to finalise a U.S. trade deal are being held up due to foreign exchange issues and Seoul has asked Washington to help find a way to cap any market impact from a $350 billion investment package,