China dismisses U.S. Hormuz request as Trump's Beijing trip is delayed and Iran war deepens - PBS

China has rejected a U.S. request to assist with security operations in the Strait of Hormuz, a critical waterway through which roughly one-third of global seaborne oil passes. The rebuff comes as President Trump's planned diplomatic trip to Beijing has been postponed and tensions between the U.S. and Iran continue to escalate. China's dismissal signals unwillingness to cooperate on Middle Eastern security matters and underscores the challenge the Trump administration faces in building international coalitions amid broader U.S.-China strategic competition. The delayed Beijing visit removes a near-term opportunity for Trump to negotiate directly with Chinese leadership over shared interests in regional stability. The convergence of these developments leaves the U.S. with fewer diplomatic options as the Iran situation intensifies.