North Korea says leader Kim Jong Un has thanked workers at a factory that built the tyres for a huge vehicle used to transport a new intercontinental ballistic missile that was test-launched this week.

North Korean leader Kim Jong Un has said the second test of an intercontinental ballistic missile has demonstrated his country can hit the US mainland.

North Korea has claimed to have successfully test-launched its first intercontinental ballistic missile.

Iran's Revolutionary Guard has successfully tested a ballistic missile, according to the country's semi-official Fars news agency.

North Korea has test-fired what appears to be a submarine-launched ballistic missile off its eastern coast, South Korea has said.