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.

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 condemned on Friday joint military drills between South Korea, Japan and the United States held this week, threatening to respond by exercising its right to self-defence "more intensively".

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.