HR McMaster weighs in on North Korea nuclear threat - BBC News
Donald Trump's national security adviser says the US is committed to a resolution of the crisis.
In a wide-ranging interview with the BBC's Yalda Hakim, US National Security Adviser HR McMaster said that the United States has "to be prepared, if necessary, to compel the denuclearisation of North Korea", with or without their cooperation.

Donald Trump's top security aide also gave his views on Russia's meddling in the 2016 US election and the challenge of working around Trump's tweets.