On the evening of the 1st local time, the opposition party in South Korea pushed for the passage of an impeachment motion against Choi Sang-mook, the deputy prime minister for economic affairs, at a plenary session of the National Assembly held that night. Choi Sang-mook announced his resignation before the National Assembly vote.
In the afternoon of the 1st, as Han Deok-soo, the prime minister of South Korea who was acting as the president, announced his resignation, Choi Sang-mook was originally scheduled to succeed Han Deok-soo and act as the president again starting at 0:00 on the 2nd local time.