Donald Trump has issued a strong warning to China, saying it would face big problems if it supplies weapons to Iran, escalating tensions ahead of a potential high level summit with Xi Jinping. The statement comes amid growing concerns from US intelligence that Beijing could be involved in transferring air defense systems to Tehran.

According to reports, the suspected systems include portable air defense missiles that could pose a threat to US and allied aircraft operating in the region. While officials say the intelligence is not fully confirmed, the possibility has intensified geopolitical pressure, especially as the Iran conflict continues to reshape global alliances and security dynamics.

China has firmly denied the allegations, calling them baseless and reiterating that it does not supply weapons to parties involved in the conflict. Officials in Beijing have emphasized their commitment to diplomatic solutions and have positioned themselves as supporters of ceasefire efforts rather than escalation.

The warning from Trump comes at a sensitive moment, with a planned summit between the US and China already under strain due to disagreements over trade, Taiwan, and the Iran war. Analysts suggest that the latest accusations could further complicate diplomatic engagement, potentially delaying or weakening any progress expected from the talks.

Meanwhile, the broader crisis continues to escalate, with the US enforcing a naval blockade around Iranian ports and the Strait of Hormuz, raising fears of wider conflict. Oil prices have surged and global markets remain volatile as countries react to the risk of prolonged disruption in one of the world’s most critical energy routes.

As tensions deepen, the situation highlights the growing risk of major power involvement in the conflict. The combination of military threats, economic pressure, and strained diplomacy is placing global stability under increasing stress, with the upcoming US China summit now facing heightened uncertainty.