People watch a TV news program about the Democratic People's Republic of Korea (DPRK) ballistic missile launch, at Seoul Railway Station in Seoul, South Korea, Aug. 24, 2016. The DPRK on Wednesday test-fired a ballistic missile from a submarine off its east coast into the sea at a time of heightened tensions on the Korean Peninsula following the start of annual South Korea-U.S. war games, Seoul's military said. (Xinhua/Yao Qilin)