North Korean leader Kim Jong Un has expressed willingness to scrap his country's nuclear program, according to a joint statement from a summit with South Korea, news agency Yonhap reports.
"There is no reason why we should fight each other - we are one nation," Kim said, reportedly agreeing to end the war between the two sides by the end of the year.
South Korean President Moon Jae In and Kim held "serious and honest" discussions about denuclearization, a presidential office spokesman says.
A joint statement issued after their leaders' talks Friday says the two Koreas confirmed their goal of achieving "a nuclear-free Korean Peninsula through complete denuclearization."
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Smiling and holding hands, Kim and Moon met at the heavily fortified demilitarized zone between the countries on Friday in the first summit for the two Koreas in over a decade.
The meeting, aimed at ending their decades-long conflict and easing tensions over the North's nuclear weapons program, comes weeks before Kim is due to meet U.S. President Donald Trump.
Moon greeted Kim at the military demarcation line at 9:30 A.M. local time, making Kim the first North Korean leader to set foot in the South since the 1950-53 Korean War.
"I feel like I'm firing a flare at the starting line in the moment of (the two Koreas) writing a new history in North-South relations, peace and prosperity," Kim told Moon as they sat at a table, which had been built so that exactly 2018 millimeters separated them, to begin their closed-door talks.
Moon responded that there were high expectations that they produce an agreement that will be a "big gift to the entire Korean nation and every peace loving person in the world."
Kim invited Moon to step briefly across the demarcation line into North Korea, before the two leaders crossed back into South Korea holding hands. The two were handed flowers by a South Korean boy and girl, residents of a village situated in the demilitarized zone.
Beyond the carefully choreographed greeting, however, it's still not clear whether the leaders can make any progress in talks on the nuclear issue, which has bedeviled U.S. and South Korean officials for decades. North Korea's nuclear and missile tests last year likely put it on the threshold of becoming a legitimate nuclear power. North Korea claims it has already risen to that level.
Kim acknowledged the widespread skepticism: "We have reached big agreements before but were unable to fulfill them ... There are skeptical views on whether the meeting today will yield meaningful results," Kim said.
"If we maintain a firm will and proceed forward hand in hand, it will be impossible at least for things to get worse than they are now."
Kim and Trump are expected to meet in late May or June, with Trump saying on Thursday he was considering several possible dates and venues.
Just months ago, Trump and Kim were trading threats and insults as North Korea's rapid advances in pursuit of nuclear-armed missiles capable of hitting the United States raised fears of a fresh conflict on the Korean peninsula.
Earlier Friday North Korea's official KCNA news agency said Kim had left Pyongyang for the "historical" summit in which he would "open-heartedly discuss with Moon Jae-in all the issues arising in improving inter-Korean relations and achieving peace, prosperity and reunification of the Korean peninsula."
Just days before the summit, Kim said North Korea would suspend nuclear and long-range missile tests and dismantle its only known nuclear test site.
Moon traveled to the meeting in a large motorcade, stopping briefly to greet dozens of summit supporters waving South Korean flags near the Blue House.
Hundreds of demonstrators were seen gathering in downtown Seoul from early morning to protest or support the summit.
Skepticism has been rampant about whether Kim is ready to abandon the hard-earned nuclear arsenal his country has defended and developed for decades as what it says is a necessary deterrent against U.S. invasion.
The two neighbors expect to release a joint statement late on Friday - possibly called the Panmunjom Declaration - that could address denuclearization and peace, and an improvement in relations, South Korean officials said.
DPA contributed background to this report