The self-proclaimed nuclear power North Korea has reported that it has made further progress in the development of missiles with hypersonic warheads. Pyongyang on Friday said it has successfully tested a new Hwasong-19 intercontinental ballistic missile (ICBM) with “ultra-powerful offensive means.” North Korea said the “crucial” test on Thursday aims to demonstrate its “absolute” superiority in striking power, state-controlled news agency KCNA reported, calling the test “an epochal milestone.” According to KCNA, the test demonstrated “the absolute might of [North Korea’s] nuclear combat forces…