South Korean police are formally building a case against impeached President Yoon Suk Yeol over accusations he obstructed the execution of an arrest warrant, a police spokesperson said on Friday.

South Korea’s impeached President Yoon Suk Yeol appeared in a Seoul court on Thursday for his first trial hearing on charges of insurrection in the country’s first criminal prosecution of an incumbent leader.

South Korean President Yoon Suk Yeol contested his arrest on rebellion charges in one court and pleaded to preserve his presidency in the other, both cases related to his brief imposition of martial law.

South Korea's President Yoon Suk Yeol appeared in court to face charges of orchestrating a rebellion. He is the first South Korean president to stand trial in a criminal case.

South Korean President Yoon Suk Yeol is putting up a desperate fight for his political life at Seoul’s Constitutional Court after being impeached and arrested for his short-lived imposition of martial law last year.

South Korea's ousted premier said on Thursday that he had opposed suspended President Yoon Suk Yeol's declaration of martial law, testifying for the first time at his former boss's impeachment trial about the events of a night that threw the country into turmoil.

Impeached South Korean President Yoon Suk-yeol appeared before two courts on Thursday. His first stop at the Seoul Central District Court made him the first sitting president — he’s not yet been formally removed from office — to face criminal prosecution.

South Korean President Yoon Suk Yeol is in court for a hearing where his lawyers are contesting his arrest on a criminal charge alleging he was orchestrating a rebellion when he imposed martial law.