Sri Lanka, Aug. 13 -- South Korea's former first lady has been arrested over a string of charges including stock manipulation and bribery.

Kim Keon Hee, 52, denied all charges against her during a court hearing on Tuesday that lasted four hours. The Seoul court issued a warrant to detain her late in the day, citing risks that she may destroy evidence otherwise.

This is the first time in South Korea's history that a former president and his spouse are in jail at the same time.

Kim's husband, former President Yoon Suk Yeol, was detained earlier to face trial over a failed martial law bid last year that plunged the country into political turmoil and eventually led to his ouster.

Prosecutors say Kim, 52, made over 800 million won ($577,94...