(VOVworld) – South Korea’s Yonhap news agency quoted a government source as saying that there was high possibility that North Korea had tested its 5th nuclear warhead.
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| North Korean leader Kim Jong-un |
Yonhap said an earthquake registering a five on the Richter scale was recorded on September 9 at the site where North Korea conducted its 4th nuclear test in January.
The Joint Chiefs of Staff (JCS) said they were investigating the matter.

