South Korea Reacts To North's Third Nuclear Test

SEOUL, SOUTH KOREA - FEBRUARY 12: People watch a television broadcast reporting the North Korea's nuclear test at the Seoul Railway station on February 12, 2013 in Seoul, South Korea. North Korea confirmed it had successfully carried out an underground nuclear test, as a shallow earthquake with a magnitude of 4.9 was detected by several international monitoring agencies. South Korea and Japan both assembled an emergency meeting of their respective national security teams after the incident. (Photo by Chung Sung-Jun/Getty Images)