Oh Se-hoon back in headlines as Seoul mayor race tightens again. Former Seoul mayor (2006-2011) and conservative party figure in Korea politics.
Voters have faced ballot-paper shortages at polling stations, sparking protests and calls for accountability. The National Election Commission has apologised and ordered investigations, while parties contest results in key urban centers, including Seoul and Busan. Local elections test President Lee Jae Myung's administration and the opposition's regrouping prospects.