Yoon last week became the first sitting South Korean president to be arrested as he faces allegations of insurrection related to his stunning, short-lived Dec. 3 declaration of martial law that has pl

Yoon Suk Yeol, the impeached South Korean President who appeared in a court hearing over the martial law chaos, has now been formally arrested.

A South Korean court extended President Yoon Suk Yeol’s detention for 20 days, igniting violent protests from his supporters. Yoon, arrested for insurrection after a failed martial law declaration, faces a tumultuous political landscape as his party’s support rebounds amid ongoing turmoil.