Seoul, April 9 -- Lee Jae-myung, chief of South Korea's main liberal opposition Democratic Party, resigned as party leader on Wednesday amid wide expectations for his presidential run.

Lee said at the party's supreme council meeting that he was grateful to party members, officials and lawmakers for achievements during his three-year party chairmanship.

The most-favored presidential hopeful noted that he would start something new soon, indicating his declaration to run for president in the near future.

He stressed that the difficulties people were currently experiencing would be overcome quickly by the help of "great DNA", with which people overcame the past hardships, pledging that he would be with people in the process.

A snap presiden...