North Korea began production of mini-nuclear warheads which can be available in its Arsenal of rockets. This was announced on 8 August, the Washington Post, citing sources in American intelligence.
Earlier, the Ministry of defense of Japan has published an annual White paper on defense in which there are concerns about the nuclear ambitions of Pyongyang.
The publication of the Ministry of defense of Japan said that the North Korean program to develop nuclear weapons have made significant progress. «Perhaps North Korea has developed miniaturized nuclear weapons and became the owner of nuclear warheads,» says the report.