US ambassador to South Korea Mark Lippert said he was well as he recovered from a knife attack at an event in central Seoul.

North Korea’s new leader delivered his first major public speech yesterday as the impoverished state celebrated the centenary of its founder’s birth, calling for a push to “final victory” despite a failed rocket launch two days earlier.

North Korea fired artillery barrages onto a South Korean island near their disputed border today, setting buildings alight and prompting South Korea to return fire and scramble fighter jets.