North Korea has carried out its sixth hydrogen nuclear test successfully. This test is claimed to be ten times stronger than the previous nuclear test done in September 2016 by North Korea. An earthquake of magnitude 6.2 was felt in that area at the time of test. US President Donald Trump at the time said ‘All options were on the table’ and this test contributed to be a strong reply to the statement. The test was carried out at such times when BRICS meet was held. China, Russia, and other countries condemned this test by North Korea. South Korea would work with the security council and vowed to maintain a security alliance with the US. The explosion appeared to produce a yield in excess of 100 kilotons. The explosion made in 1945 on Hiroshima and Nagasaki yielded 14 kilotons an...