Latest: US Secretary of State plays down significance of proposed talks between Donald Trump and Kim Jong Un
US Secretary of State Rex Tillerson has drawn a distinction between "talks" with North Korea and "negotiations", arguing President Donald Trump's willingness to chat with Kim Jong Un should not be construed as anything more than that.
The stunning announcement that Mr Trump had agreed to a meeting with the North Korean leader raised questions about what had changed after months of Mr Tillerson and other Trump officials insisting the conditions were not right for negotiations with Pyongyang.
