The appointment of a new acting president came as Han’s candidacy injected more uncertainty into an election race that has been upended by doubts over the eligibility of the lef

South Korea’s former Prime Minister Han Duck-soo said Friday 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 wins.

South Korea’s acting leader, Prime Minister Han Duck-soo, said Thursday he is resigning to take on “heavier responsibility” amid expectation he will run in next month’s