North Korea warned Friday that it would exercise its right to self-defense "more intensively" as it condemned recent joint air drills among South Korea, the United States and Japan.

Japanese and South Korean fighters escorted U.S. bombers in the first air power demonstration of the year by the three countries.

South Korea says North Korea fired a ballistic missile that flew 685 miles before landing in waters between the Korean Peninsula and Japan

North Korea’s foreign ministry issued a statement soon after U.S., South Korea and Japan held a joint military drill. Pyongyang condemned the drill and said it will respond by exercising right to self-defence more intensely.

By bno - Taipei Bureau In a sharp response to joint military exercises involving South Korea, the United States, and Japan, North Korea has vowed to 'more intensively' exercise its right to self-defence.

North Korea warned Friday it will "more intensively" exercise the right to self-defense, denouncing South Korea, the United States and Japan for staging combined air drills, involving U.S. B-1B bombers.