US President Donald Trump warns that he would not allow China to "do nothing" on North Korea, after the hermit state launched an intercontinental ballistic missile it boasted could reach the United States.
North Korea says it has successfully tested an engine designed for an intercontinental ballistic missile.
Maintenance errors by three airmen damaged a nuclear-armed missile in its silo in 2014, the US Air Force says.
US President Donald Trump warns that he would not allow China to "do nothing" on North Korea, after the hermit state launched an intercontinental ballistic missile it boasted could reach the United States.
North Korea says it has successfully tested an engine designed for an intercontinental ballistic missile.
Maintenance errors by three airmen damaged a nuclear-armed missile in its silo in 2014, the US Air Force says.
