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The 2018 South Korean by-elections was held in South Korea on 13 June 2018, coinciding with the local elections. 12 seats to the National Assembly of South Korea were contested.[1]
- ^ "재보선 '미니 총선급'… 결과 따라 정국판도 요동". 세계일보. Naver. Retrieved 4 March 2018.