U.S. President Donald Trump on Friday called off Secretary of State Mike Pompeo’s upcoming trip to North Korea, citing a lack of progress on denuclearization.

Trump made the announcement on social media, where he also accused China of not living up to its sanctions enforcement commitments.

“I have asked Secretary of State Mike Pompeo not to go to North Korea, at this time, because I feel we are not making sufficient progress with respect to the denuclearization of the Korean Peninsula,” Trump said via his Twitter account.

“Additionally, because of our much tougher Trading stance with China, I do not