Impeached South Korean President Yoon Suk Yeol has been charged with insurrection after his December attempt to declare martial law, plunging the country into an unprecedented political crisis. He is the first sitting president in South Korean history to face criminal charges.

Prosecutors indicted detained South Korean President Yoon Suk Yeol on Sunday on charges of leading an insurrection with his short-lived imposition of martial law last month.

Yonhap news agency says South Korean prosecutors have indicted the impeached President Yoon Suk Yeol over his imposition of martial law.