(2nd LD) Four S. Koreans killed in Laos car accident 21.02.2016 15:40 Yonhap News Agency (en) (ATTN: UPDATES throughout with details) SEOUL, Feb. 21 (Yonhap) -- Four South Koreans were killed and two others were critically injured in Laos Sunday when their mini-bus collided head-on with a bus, Seoul's Foreign Ministry said. The accident to
