A soldier salutes at a military show of strength staged by the North Korean government in central Pyongyang DAMIR SAGOLJ/REUTERS

The US and China are working on a response to the North Korean missile crisis, Donald Trump’s top security adviser has said.

General HR McMaster said China had joined an international consensus that Kim Jong-un’s “threatening behaviour” could not continue. The countries are working on a “range of options” in response to a failed missile test by the regime and growing tensions over its nuclear programme.

Trump has urged Beijing to use its influence as North Korea’s biggest ally to resolve the crisis. The president said today that China was “working with us on the North Korean problem”.

The test rocket “blew up almost immediately” after its launch from a base in Sinpo early today, the US military said. The former foreign secretary Sir Malcolm…