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

LONDON -- South Korean prosecutors formally indicted President Yoon Suk Yeol on Sunday, charging him with insurrection over his brief imposition of martial law in December, according to opposition lawmakers and South Korean media.

South Korean prosecutors indicted the impeached President Yoon Suk Yeol on insurrection charges over his declaration of martial law, a move that plunged the country into political turmoil.