S. Korea says North fired missile, as US hosts nuclear talks

North Korea fired another short-range missile off its east coast on Friday, South Korean officials said, as global leaders met in Washington to discuss the threat of Pyongyang's nuclear weapons programme. It was the latest in a series of North Korean missile launches during what has been an extended period of military tension on the Korean peninsula, triggered by Pyongyang's fourth nuclear test on January 6. The launch came in the middle of the two-day nuclear security summit being hosted by Pre