Donald Trump labels Sir Keir Starmer's meeting with China a 'very dangerous' moveUS President Donald Trump's warning comes days after he threatened a neighbouring country with 100% tariffs should it enter into a trade deal with an economic rivalView 2 Images (Image: Getty Images)United States President Donald Trump said it would be "dangerous" for the United Kingdom to strengthen economic ties with the world's second largest economy. ‌Mr Trump's warning comes during UK Prime Minister Sir Keir Starmer's visit to China in a bid firm economic ties with Beijing. ‌Mr Trump expressed disapproval when asked by reporters about the UK’s push to strengthen economic ties with the US economic rival early on Friday, January 30. ‌Canadian Prime Minister Mark Carney also visited China in January. The prime minister will the leave for Tokyo to meet his Japanese counterpart Sanae Takaichi for a working dinner.