South Korea's third acting leader in five months, Lee Ju-ho, is an understated labour economist and education bureaucrat thrust into managing high-stakes trade talks with the United States and a country reeling from political knife fights before a crucial election.

South Korea's former President Yoon Suk Yeol is to be additionally charged with abuse of authority. The ex-president is already being tried for insurrection, over his failed bid to impose martial law.

South Korea’s former Prime Minister Han Duck-soo says he will run in next month’s presidential election and would seek to lessen the powers of the office and ease strife-ridden domestic politics if he