SEOUL, August 13, 2018 (Reuters) - North and South Korea agreed on Monday to hold a summit in the North in September, another step towards boosting co-operation between the old rivals, even as doubts grow over efforts to end the North's nuclear weapons programme. Officials from both sides meeting in the truce village of Panmunjom, in the demilitarised zone (DMZ) that separates the two Koreas, reached an agreement on a September summit between the countries' leaders in the North's capital of Pyongyang. No date was announced for what will be the third meeting this year between North Korean leader Kim Jong Un and South Korean President Moon Jae-in. They first met in April in Panmunjom, a remarkable thaw in ties after more than a year of rising tension and fears of war over the North's development of nuclear weapons and ballistic missiles. There they agreed that Moon would visit the North's capital in the autumn, though the pair met again in May in an unannounced meeting at Panmunjom. No details on an agenda for next month's talks were announced, but the two Koreas have been discussing a range of issues, from a possible peace declaration to joint economic and infrastructure projects. The progress between the two Koreas comes as North Korea and the United States are struggling to agree on how to bring about the North's denuclearisation, after Kim vowed to work towards that goal at a landmark summit in June in Singapore with US President Donald Trump. US officials have told Reuters that North Korea had yet to agree to a timeline for eliminating its nuclear arsenal or to disclose its size, which US estimates have put at between 30 and 60 warheads. After Monday's talks, Ri Son Gwon, the chairman of a North Korean committee aiming for the "peaceful reunification" of the peninsula, told reporters it was important to clear "obstacles" preventing inter-Korean relations from moving forwards. "If the issues that were raised at the talks aren't resolved, unexpected problems could emerge and the issues that are already on the schedule may face difficulties," Ri said, without giving details.
