As reported by Democracy Now!'s morning news headlines:
In response, North Korea threatened to strike the U.S. territory of Guam in the western Pacific. Guam is home to 163,000 people as well as several major U.S. military bases. Earlier today, North Korea said its military is working on a plan to fire four missiles into the sea off Guam. A statement issued by North Korean state media said of Trump, "Sound dialogue is not possible with such a guy bereft of reason and only absolute force can work on him."
And see DN!'s complete coverage of the N. Korea-U.S. conflict, here.