US Secretary of State said that Washington had made no concessions to North Korea to win the release of one of three Americans detained in the isolated country.
North Korea fired 100 artillery shells into the sea Monday in a live-fire drill near the eastern maritime border with South Korea that followed a recent series of missile tests.
A visibly limping Kim Jong-Un presided over an official memorial in Pyongyang on Tuesday for the 20th anniversary of the death of his grandfather and North Korea's founder, Kim Il-Sung.
North Korean leader Kim Jong-Un warned the South would "regret bitterly" any incursion of their disputed sea border as he directed a large-scale mock assault on an island, state media said.
Japan will revoke some of its unilateral sanctions on North Korea, the prime minister announced Thursday, after talks on the Cold War kidnapping of Japanese nationals.
North Korea fired two short-range rockets off its east coast, South Korea said, the latest in a series of missile tests ahead of a state visit to Seoul by Chinese President Xi Jinping.
North Korea denounced a new Hollywood comedy about an assassination bid on leader Kim Jong-Un as a "wanton act of terror" and warned of a "merciless response" unless the US authorities banned the film.
North Korea said Friday it had detained a US tourist for "hostile activities" after he reportedly left a bible at a hotel, bringing to three the number of Americans held by the reclusive regime including missionary Kenneth Bae.