Kim Jong-un calls Trump ‘mentally deranged’

Kim Jong-un has deployed his considerable rhetorical firepower, with another swipe at Donald Trump. After he called the North Korean dictator a “rocket man on a suicide mission”, Kim Jong-un hit back, labelling the American President a “mentally deranged US dotard”. And it didn’t end there. But China has urged both sides to exercise restraint instead of provoking each other.