South Korea's government says it has reached an agreement with the US to release its citizens detained in a massive immigration raid at a Hyundai plant in Georgia. The chief of staff of South Korea's president said a chartered plane would be sent to bring the detainees home if administration procedures were completed. Kang Hoon-sik said the authorities were trying to improve the visa system to prevent such incidents in the future. US officials detained 475 people - more than 300 of...