Winners take oath

The four winners of Wednesday’s by-elections — from left, Ahn Sang-soo, Chun Jung-bae, Shin Sang-jin and Oh Shin-hwan — take the oath of office at the National Assembly in Seoul, Thursday. Ahn, Shin and Oh are from the ruling Saenuri Party and Chun is an opposition-turned-independent lawmaker. / Yonhap