He said discussions at Sunnylands will be an opportunity to promote U.S. values and respect for human rights.
Daniel Russel, the assistant US secretary of state for Asia-Pacific affairs, said "the North is threatening to move in the wrong direction. It's the wrong direction from the point of view of the international community. North Korea is defying the UN security council, it's defying its ... neighbour China, it's defying the international community to the detriment of regional peace and security, and to the detriment of North Korean people itself. This argues even more strongly for action by the UN security council and the international community to impose real consequences for the destabilising action that the DPRK has taken, is taking, and to raise the cost to the leaders through the imposition of tough additional sanctions."