In this case, Kim Jong-un adds that such a blow will be inflicted only if someone encroaches on the sovereignty of the DPRK and its national dignity.
His statement, in which the hydrogen bomb was mentioned, was made by the North Korean leader during a visit to a memorial complex dedicated to the revolutionary struggle of the DPRK.

There is no evidence that Pyongyang has such a formidable weapons how a hydrogen bomb was presented. In principle, the rhetoric of the DPRK authorities almost always rested on the fact that it was impossible to verify the accuracy of the statements made. For example, in 2005, the DPRK declared itself a nuclear power, but the question still remains of whether the North Korean army has effective means of delivering nuclear warheads. This question, for obvious reasons, is most worried about the neighbors on the Korean Peninsula, as well as Japan, in relations with which Pyongyang has far from cloudless relations. The United States also refers to the statements of the DPRK leader at the same time with skepticism and caution. Why? - But what if…