North Korea’s apparent use of different launch methods to fire two types of cruise missiles from a tactical nuclear-capable submarine raises fresh questions about the operational readiness of its growing undersea arsenal, observers have said. The North’s official Korean Central News Agency (KCNA) said on Thursday the country had “test-fired two types of submarine-launched strategic cruise missiles” off its eastern coast. The tests “contributed to inspecting the regular mobilisation readiness of...

A stabbing rampage by a repeat violent offender wearing an electronic ankle monitor has raised questions about whether South Korea’s criminal justice system can adequately supervise those deemed high-risk and prevent attacks before they happen. The 59-year-old suspect told investigators he had become frustrated over what he perceived as mistreatment at a hospital, police said on Wednesday. Three criminal profilers were helping investigators establish the motive for Tuesday’s attack at a shopping...