SEOUL: North Korea Friday formally asked South Korea to accept leader Kim Jong-Un’s proposal for military talks and to ease tensions that surged after the North’s fourth nuclear test in January. Kim had offered the military dialogue during a marathon speech to the recently concluded congress of North Korea’s ruling Workers’ Party – the first event of its kind for more than 35 years. In an “open letter” published Friday by the official KCNA news agency, the North’s National Defence Commission said urgent steps were needed to overcome the current “catastrophic state” of inter-Korean ties. “South Korea must actively respond to our proposal to hold military talks,” the letter said, adding that peace could not be achieved at “gunpoint”. “We are proposing to put all issues of interest on the table to openly discuss and resolve them,” it said. But Seoul rebuffed the offer, after earlier dismissing Kim’s original proposal as posturing. “We cannot see it as a sincere gesture,” a defence ministry official said after the letter was published. The South had earlier said most of Kim’s speech to the party congress had been devoted to talking up his nuclear weapons programme. The “open letter” format reflects the complete absence of direct communication between the two countries after the North announced in February it was cutting the last two remaining hotlines with the South.