North Korean leader Kim Jong Un has dismissed a vice premier over a factory modernisation project in a rare public rebuke ahead of a ruling party congress, state media has reported. Mr Kim blamed Yang Sung Ho, a vice premier in charge of the machine-building industry, for causing what he called "unnecessary man-made confusion" during works to modernise the Ryongsong Machine Complex in the northeast of the country, the Korean Central News Agency (KCNA) said on Tuesday. In an apparent move to