Judges at South Korea's Constitutional Court get underway with a trial this week that could remove the country's president from office. Yoon Suk Yeol sent the nation into a democratic crisis six weeks ago when he declared martial law.

South Korean President Yoon Suk Yeol was detained by police Wednesday, marking an historic first for a sitting leader of the country, the state news agency Yonhap reported. Investigators detained the impeached president at his residence for questioning related to his short-lived imposition of martial law on Dec. 3.

South Korean President Yoon Suk Yeol has been detained after a massive law enforcement operation at the presidential compound that ended a weeks-long stand-off between his bodyguards and the country’s anti-corruption agency.

South Korea's impeached President Yoon Suk Yeol was arrested at his presidential residence on Wednesday morning local time following an hours-long standoff, images from the scene show.

Yoon’s detention, after a tense standoff outside the presidential residence, marks the latest chapter in a bewildering series of events since his martial law decree.

By Joyce Lee SEOUL (Reuters) -South Korean President Yoon Suk Yeol attended on Tuesday a Constitutional Court hearing of his impeachment trial where he denied ordering military commanders to drag lawmakers out of parliament during his short-lived bid to impose martial law.

South Korean President Yoon Suk Yeol appeared in a Seoul court for his impeachment trial Tuesday, defending his short-lived martial law bid and denying charges that he ordered the military to drag lawmakers away.

Police in South Korea have arrested dozens of people after supporters of impeached President Yoon Suk Yeol stormed a court building, smashing windows and furniture. The district court in the capital,

Yoon Suk Yeol has made his first appearance at an impeachment trial which will decide if he should be permanently removed.