SEOUL: South Korean President Yoon Suk Yeol's legal representatives will attend the first Constitutional Court hearing on Friday (Dec 27) in a trial reviewing his impeachment by parliament over his short-lived imposition of martial law, an adviser to Yoon said. Yoon had until Thursday defied requests by the court to submit documents as well as summons by investigators in a separate criminal case over his martial law declaration on Dec 3, drawing criticism even from some members of his party.