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.

Yoon was brought into custody about three hours after hundreds of law enforcement officers entered the residential compound in their second attempt to detain him.

South Korea's constitutional court has held its first hearing to decide if suspended President Yoon Suk Yeol should be removed from office after his shock martial law attempt last month.