N. Korea warns of 'chain of countermeasures' over US-led RIMPAC exercise

North Korea denounced Friday an ongoing US-led multinational military exercise taking place in Hawaii, calling it a "war rehearsal" that will trigger a "chain of countermeasures" from countries in the region.

The North's state media carried the criticism in an op-ed on the Rim of the Pacific Exercise, in which South Korea is leading the combined maritime component command this year as the first Asian country to do so.

"RIMPAC is not merely a routine exercise targeting a hypothetical adversary, b ...