SEOUL, July 5 (Xinhua) -- South Korea's defense chief said Wednesday that there has been no specific sign of another nuclear test by the Democratic People's Republic of Korea (DPRK).
Defense Minister Han Min-koo told lawmakers that though the DPRK can conduct another nuclear test at any time, no specific sign was detected for such test.
Speculation emerged that the DPRK may carry out its sixth nuclear detonation in the near future following its claim on Tuesday that it successfully tested a new type of intercontinental ballistic missile (ICBM), called Hwasong-14.
In the past, the DPRK tended to test-launch a long-range ballistic rocket in parallel with a nuclear detonation with a certain time gap.
Pyongyang carried out its fourth and fifth atomic bomb tests in January and September last year, escalating tensions on the Korean Peninsula.
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