Lee Jae-myung and Kim Moon-soo represent the opposite sides of a country polarized over former President Yoon Suk Yeol’s use of martial law and his ouster.

South Korea’s embattled conservative party has canceled then reinstated the presidential candidacy of Kim Moon Soo within hours, after a failed attempt to replace him with former Prime Minister Han Duck-soo.

SEOUL (Reuters) - South Korea's conservatives dropped their presidential candidate on Saturday and reopened a process to pick a new nominee as the country's former prime minister joined the party to challenge a liberal frontrunner less than four weeks before the election.