North Korea issued a new warning as the U.S. and South Korea prepare for military drills.

It comes ahead of military drills by the U.S. and South Korea.

North Korea sees the exercise as a test run for invasion, and a government-run newspaper from the North says Guam and Hawaii wouldn't be able to dodge what it calls a merciless strike.

U.S. officials say the defensive drills have been going on for years.