The chief of the presidential security service in South Korea, Park Jong-joon, resigned from his position amid a political stalemate as federal authorities seek to arrest the country’s impeached president.

South Korea’s acting leader has accepted the resignation of the chief of the presidential security service, Park Jong-joon, as he faced police questioning over how his forces blocked law enforcement efforts to detain impeached President Yoon Suk Yeol last week.

South Korean police questioned the chief of the presidential security service on Friday as the two agencies clashed over attempts to detain impeached President Yoon Suk Yeol. The Corruption Investigation Office for High-Ranking Officials and police are planning a second attempt to bring Yoon into custody as they jointly