UPDATE 1117KST: Inter-Korean relations are now in a "state of war", the KCNA reported this morning. "Situations on the Korean Peninsula, which are neither in peace nor at war, have come to an end," the statement from the government said.

UPDATE 1449KST: South Korean intelligence agencies have spotted increased activity on North Korean mid-to-long range missile platforms, an unnamed official told Yonhap in Seoul: "We are closely watching for  the possibility of a missile launch," the anonymous government source said.