Trump tweets China trade threat over NK

President Donald Trump has tweeted that he told China's President Xi Jinping that Beijing will get a better trade deal with Washington if it helped solve the US problem with North Korea.

"I explained to the president of China that a trade deal with the U.S. will be far better for them if they solve the North Korean problem!" Trump, who held talks with Xi in Florida last week, wrote on Twitter.

"North Korea is looking for trouble. If China decides to help, that would be great. If not, we will solve the problem without them!" he added in a second note.