Ousted South Korean leader Yoon Suk Yeol became the country's first sitting head of state to stand trial in a criminal case as hearings opened Thursday on his bid to impose martial law. His tenth hearing in that case is scheduled for 3 pm,

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 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