North Korea on Friday conducted its 5th and largest nuclear test yet, causing seismic waves measuring 5.0.
The country said the test had been of a "nuclear warhead that has been standardised to be able to be mounted on strategic ballistic rockets".
China's foreign minister on Friday reiterated that it was firmly opposed to North Korea' nuclear tests, Reuters reported.
Japan prime minister condemned the test, stating, "North Korea's nuclear development is becoming a graver threat to Japan's safety and severely undermines the peace and safety of the region and the international community."