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.

Before standing down, Park Chong-jun said there must be no bloodshed if investigators attempt another arrest of the impeached president South Korea's presidential security chief resigned on Friday as he faced questioning over why his guards prevented the detention of impeached President Yoon Suk-yeol and investigators prepared to make a fresh

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.