North Korea demolishes nuke test site with series of blasts
North Korea has conducted all six of its nuclear tests at the Punggye-ri site, which consists of tunnels dug beneath Mount Mantap in the northeast of the country.
May 24, 2018, 18:10 PM ISTNorth Korea nuclear test site part-collapsed, not usable: Chinese seismologists
North Korea's underground nuclear test site has partially collapsed, making it unusable, Chinese seismologists have concluded.
Apr 26, 2018, 00:26 AM IST