South Korea launches first ballistic missile from submarine, seventh country to do so South Korean President Moon Jae-in attended the under-water ejection of the missile S.Korea says it successfully tests submarine-launched ballistic missileSouth Korea successfully tested a submarine-launched ballistic missile (SLBM) on Wednesday, becoming the first country without nuclear weapons to develop such a system as it aims to better counter North Korea's growing capabilities. Japan: North Korea missile launch a threat to regionJapanese Prime Minister Yoshihide Suga said the two rounds of unidentified ballistic missiles sent by North Korea into the open waters of the East Sea on Wednesday were a threat to the region. North Korea missile tests were by new 'railway-borne' system, state media saysSouth Korea and Japan say they detected the launch of two ballistic missiles from North Korea on Saturday, just days after Pyongyang tested a cruise missile that analysts said could have nuclear capabilities. North Korea fires two ballistic missiles into sea, South Korea military saysLaunch comes as Chinese foreign minister is in Seoul to discuss stalled nuclear diplomacy and two days after North tests a new long-range cruise missile North Korea fires two ballistic missiles - days after testing 'weapon of great significance'The totalitarian nation fires two more missiles, with the launch sparking fury from the Japanese prime minister, who calls it "outrageous". Korean arms race heats up as North goes ballistic, South supersonicA spate of missile launches and weapons breakthroughs comes amid a flurry of diplomatic activity aimed at denuclearising the North. North Korea's new railway-borne missile system built to strike 'threat-posing forces'Analysts say the development could add complexity for a foreign military seeking to track and destroy the missiles before they are fired.