North Korea expands work at nuclear test site to second tunnel, report says

North Korea expands work at nuclear test site to second tunnel, report says

Preparation work at the Punggye-ri Nuclear Test Facility’s Tunnel No. 3 was apparently complete and ready for a possible nuclear test, the Center for Strategic and International Studies said in a report, citing commercial satellite imagery. North Korea conducted six underground nuclear tests at the site from 2006 to 2017. The research group said that … Read more