South Korea's conservative party dropped its presidential candidate against his will on Saturday, beginning a process to instead nominate outsider and former prime minister Han Duck-soo less than a month before the election.

South Korea's conservatives dropped their presidential candidate on Saturday and reopened the nomination process, as the former prime minister joined the party to challenge the liberal frontrunner in an election just four weeks away.

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.