U.S. President Donald Trump has issued a stern warning to China, cautioning that the country would face “big problems” if it proceeds with plans to ship weapons to Iran. The statement underscores rising tensions in the Middle East, where Washington has been pressing Tehran to abandon its nuclear ambitions and comply with ceasefire demands.

Trump’s remarks highlight concerns that Chinese arms supplies could embolden Iran at a time when the United States is tightening military and economic pressure. Analysts note that such a move could complicate ongoing diplomatic efforts and potentially escalate the standoff into a broader regional crisis.

The warning comes amid heightened U.S. military activity in the Gulf, including naval operations aimed at deterring Iranian aggression. Officials in Washington argue that any external support for Iran’s military capabilities would undermine global security and destabilize energy markets, given the strategic importance of the Strait of Hormuz.

China has not yet issued an official response, but observers believe the warning reflects Washington’s determination to isolate Tehran and discourage foreign powers from deepening military ties with the country.

The development adds another layer to the complex U.S.–China relationship, already strained by trade disputes and geopolitical competition. As tensions mount, global powers are watching closely to see whether diplomacy can prevail or whether the situation will spiral into confrontation.