About the Author
Leo Byrne
Leo Byrne was the Data and Analytic Director at NK News. Follow him on twitter @LeoPByrne
South Korea’s Defense Ministry have warned that the North Koreans may be ready to conduct a fourth nuclear test, citing increased activity at Punggye-ri, the North’s primary test site.
Defense Ministry spokesman Kim Min Seok announced at a press briefing on Tuesday that South Korean military had been monitoring the activity of the site, where a nuclear test was conducted last year.