As of now, inter-Korea relations enter a state of war and all matters between the two Koreas will be handled according to wartime protocol, Radio Australia quoted North Korean newsagency KCNA on March 30.
According to KCNA (March 29), North Korean leader Kim Jong-un told an operation meeting that if the U.S. imperialists
make a reckless provocation with huge strategic forces, the KPA should mercilessly strike the U.S. mainland, their stronghold, their military bases in the operational theaters in the Pacific, including Hawaii and Guam, and those in south Korea.
But in that particular KCNA article online (there were several more articles on March 29 which may be different), no specific mention seems to be made of a state of war.
They’ve got not much left in their bluff cabinet, former Australian ambassador to South Korea, Mack Williams, told Australian broadcaster ABC (second video there).
If there should be all-out war will, of course, depend on South Korea (“military provocation”), according to KCNA as quoted by Radio Australia.
Sino-NK, focused on North Korea and its relations with China, is no news website, but will probably post observations and analysis some time this week.