North Korea confirmed that it successfully fired a ballistic missile yesterday in a test supervised by leader Kim Jong-un. The device was described as a "surface-to-surface medium-to-long-range ballistic missile. <br/><br/>South Korea's defence ministry called it an armed provocation to test the response of US President Donald Trump. North Korea's latest ballistic missile test has been widely condemned.The Korean state news agency KCNA reported that the rocket used a solid-fuel engine, which gives ballistic rockets greater power and range.