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US, Seoul issue warning to N. Korea

Allies urge talks on nuclear arms, improved ties

John Kerry said the United States is ready and able to deter any North Korean aggression.

John Kerry said the United States is ready and able to deter any North Korean aggression.

SEOUL — Secretary of State John F. Kerry and his South Korean counterpart warned North Korea on Thursday against any possible aggression as the North sent mixed signals over whether it would return to denuclearization talks and improve ties with the South.

Kerry, meanwhile, urged South Korea and Japan, both US allies, to repair deep divisions between them that threaten to jeopardize a coordinated approach to North Korea.

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Kerry and South Korea’s foreign minister, Yun Byung-se, each dismissed demands from the North to halt an upcoming joint US-South Korean military exercise. They said North Korea could not use the exercise as an excuse to stay away from talks or to delay attempts to improve ties, with steps like reuniting families separated by the Korean War.

‘‘We have yet to see evidence that North Korea is prepared to meet its obligations. Let me be clear: the United States will not accept North Korea as a nuclear-armed state. We will not accept talks for the sake of talks, and the DPRK must show that it will live up to its commitments,’’ Kerry said, referring to the North by the acronym for its official name, the Democratic People’s Republic of Korea.

The United States is ‘‘ready and able to deter North Korean aggression,’’ he said. ‘‘It is time for the North to choose the path of peace and refrain from provocations or using excuses to avoid the responsibility that they bear.’’

Yun said that both Seoul and Washington ‘‘stand fully prepared against any potential situation given the mixed signals from North Korea, even as it continues a charm offensive.’’

The pair had a joint news conference in Seoul a day after senior North and South Korean officials held their highest-level talks in years, but as the North continued to complain about the military exercise.

North Korea has cited it as a reason to rescind an invitation to a US envoy to visit the country to discuss the case of jailed US missionary Kenneth Bae and has suggested it may cancel planned upcoming reunions between families separated by the Korean War. The rival Koreas agreed Thursday to hold another round of talks Friday.

Kerry planned to travel Friday to China and said he would press Chinese leaders to do more to bring North Korea into talks. ‘‘There is more that China can do,’’ he said.

Kerry also expressed concern about a recent downturn in relations between South Korea and Japan, saying the two nations must overcome historical animosity to present a united front in talks with North Korea and to better counter increasing Chinese assertiveness in the region.

‘‘It is up to Japan and [South Korea] to put history behind them and move the relationship forward,’’ Kerry said. ‘‘And it is critical at the same time that we maintain robust trilateral cooperation’’ on North Korea.

‘‘We urge our friends in Japan and South Korea, we urge both of them to work with us together to find a way forward to help resolve the deeply felt historic differences that still have meaning today. . . . We will continue to encourage both allies to find mutually acceptable approaches to legacy issues from the past.’’

South Korea was angry over a recent visit by Japan’s prime minister to a controversial war shrine in Tokyo, which has deepened resentment in both of the neighboring countries on Japan’s colonial past and abuses committed during World War II. Japan says it is willing to hold high-level dialogue to ease tension, but there appears to be little immediate prospect of that.

Yun said South Korea was ready to resolve the differences but accused Japanese political leaders of distorting the historical record and said rapprochement could not occur while that continued.

‘‘We have made a lot of efforts to stabilize the relationship between Korea and Japan, but unfortunately, during the past few months, some Japanese political leaders have made a lot of historically incorrect remarks,’’ Yun said. ‘‘And so these revisionist remarks, as long as they last, it will [make it] difficult to build trust between our countries. These leaders must look at history as it is and they must be sincere.’’

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