Seoul, Apr 28 : North Korean leader Kim Jong II called for stronger military might hile South Korean delegates in his capital urged the communist state to abandon any nuclear weapons development. Kim made the comments during a visit yesterday to an unidentified "front-line unit." The trip coincided with high-level talks between the two Koreas in Pyongyang, North Korea's capital, at which South Korea protested that the North's reported possession of nuclear arms was a violation of a 1992 agreement to keep the Korean peninsula nuclear-free. The delegates from the two sides met again today. Seoul officials said that in meetings yesterday north Korean delegates did not confirm a US claim that during talks in Beijing last week they told an American envoy that they may test, sell or use atomic weapons, depending on Washington's actions. Instead, they said the north made a "new, bold" proposal to the United States during the elaborate, South Korean government spokesman Shin Eun-Sang said.The north tried to focus yesterday's talks on linking cross-border railways and other economic projects with South Korea that are part of a reconciliation process that grew out of a historic north-south summit in June 2000. In his visit to the military unit, North Korean leader Kim was satisfied that his soldiers were ready to repulse"any surprise attack of the enemy at one stroke," and gave "guidelines in further increasing the unit's combat capability," the north's official news agency, said. Bureau Report