North Korea has conducted a test firing of an upgraded 240mm guided multiple rocket launcher system, according to state media KCNA. The system reportedly uses range-extended rockets with an autonomous precision-guidance system, with Pyongyang saying the test demonstrated improved accuracy and firepower. The weapons test comes as North Korea continues efforts to modernise its military capabilities and strengthen its forces along the border with South Korea. New footage released by state media shows the rocket system being fired during the reported test.