A new transatlantic rift is emerging as President Donald Trump openly warns the United Kingdom against strengthening business ties with China, calling the move dangerous for national and strategic security. The warning comes just as Prime Minister Keir Starmer concludes a high profile visit to Beijing aimed at resetting UK-China relations after years of diplomatic strain. Rather than backing down, Britain appears to be pushing forward. Starmer has defended engagement with China as a matter of national interest, arguing that economic cooperation can coexist with firm security safeguards.