South Korean intelligence officials say North Korea may be preparing for a third underground nuclear test. The possible test comes at the same time as North Korea is poised to launch a satellite. NBC's Richard Engel reports. By NBC News, msnbc.com staff and news services Updated at 8:35 a.m.
South Korean intelligence officials say North Korea may be preparing for a third underground nuclear test. The possible test comes at the same time as North Korea is poised to launch a satellite. NBC's Richard Engel reports. By NBC News, msnbc.com staff and news services Updated at 8:35 a.m.