(LEAD) Ruling party chief resigns, expected to seek reelection for another term (opens original article in a new tab)

Ruling party chief Jung Chung-rae resigned as chairman, likely to seek reelection at the party's national convention, with a three-way race expected among top leaders.

• Ruling party chief Jung Chung-rae resigned as chairman
• Resignation is seen as a step toward seeking reelection at the party's national convention
• Three-way race expected among Jung, Prime Minister Kim Min-seok, and Song Young-gil