Chairman of Lone Star, John Grayken (R) leaves the Seoul Central District Court in Seoul as a protest holds a sign, while the court is adjourned for lunch, January 11, 2008. South Korea's prosecutors have banned the U.S. private equity house Lone Star's chairman from leaving the country for 10 days as he testifies in a local court to defend the head of its Korean operations, a newspaper said on Thursday. REUTERS/Han Jae-Ho (SOUTH KOREA)