Ahn Cheol-soo, former chief and co-founder of the People's Party, speaks during the primary election in Daejeon, South Korea, on April 4, 2017. The primaries of five key political parties ended on Tuesday with the center-right People's Party fielding its former head and co-founder Ahn Cheol-soo as an official candidate. The presidential election is slated for May 9. (Xinhua/Lee Sang-ho)
