Chief Prosecutor of the Corruption Investigation Office for High-ranking Officials (CIO) Oh Dong-woon speaks during a meeting at the National Assembly in Yeongdeungpo District, Seoul, Dec. 9. Yonhap

President Yoon Suk Yeol was placed under a travel ban Monday pending an investigation into treason and other charges related to his short-lived imposition of martial law last week, with political turmoil deepening over Yoon's political future.

The ban was imposed by the justice ministry shortly after the Corruption Investigation Office for High-ranking Officials (CIO) said it had submitted a request for the order. (Yonhap)