South Korean police has questioned the chief of the presidential security service as the two agencies clashed over attempts to detain impeached President Yoon Suk Yeol.

South Korean President Yoon Suk Yeol's security chief said on Friday the impeached leader, who faces arrest over a criminal probe into his Dec. 3 martial law bid, has been unfairly treated for a sitting leader and warned bloodshed must be avoided.

Presidential security chief appears before police Park Chong-jun, chief of the Presidential Security Service, appears before the Joint Investigation Headquarters in western Seoul on Jan. 10, 2024, for questioning regarding allegations that he blocked investigators' attempt to detain impeached President Yoon Suk Yeol.