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Trump Heads to China as Iran War Ceasefire Hangs by a Thread

With the US-Iran ceasefire on life support and Tehran threatening weapons-grade uranium enrichment, Trump's May 13-15 summit with Xi Jinping could determine whether the Gulf conflict spirals further or finds an off-ramp.

A Summit Under the Shadow of War

On May 13, 2026, US President Donald Trump landed in China for a high-stakes three-day summit with President Xi Jinping — but the agenda is being dictated less by trade policy and more by a Gulf conflict that refuses to cool down.

The US-Israeli war on Iran, now past its 70th day, has become the defining crisis of 2026. And Trump arrives in Beijing at a moment when the ceasefire he brokered is unraveling in real time.

The Ceasefire That Wasn’t

Just days before the summit, Trump publicly rejected Iran’s latest peace proposal — a 30-day phased de-escalation plan — calling it “garbage” and “unbelievably weak.” Iran had sought to end hostilities on all fronts, including in Lebanon where Israel continues to fight Hezbollah, and to restore security of shipping through the Strait of Hormuz.

Tehran’s response to the rejection was swift and ominous. Ebrahim Rezaei, spokesperson for Iran’s parliamentary national security commission, announced that Iran could enrich uranium up to 90 percent purity — weapons-grade — if attacked again. “One of Iran’s options in the event of another attack could be 90 per cent enrichment,” he posted on X. “We will review it in the parliament.”

The threat marks a dramatic escalation in rhetoric, pushing the conflict closer to a nuclear red line that the international community has spent decades trying to prevent Iran from crossing.

Strait of Hormuz: Chokehold on Global Energy

The Strait of Hormuz remains effectively blocked by Iranian forces, with US intelligence reporting that Tehran has restored operational access to 30 of its 33 missile sites along the vital waterway. The closure has sent shockwaves through global energy markets.

Brent crude, which sat at roughly $70 per barrel before the war began in late February, has surged past $100 and continues to hover near that threshold. Oil prices did dip slightly on Wednesday — Brent fell 73 cents to $107, and US West Texas Intermediate dropped 62 cents to $101.60 — but only because markets are cautiously optimistic that the Trump-Xi summit might produce a diplomatic breakthrough.

The United Kingdom has announced it will send drones, fighter jets, and a warship to join a multinational defensive mission aimed at securing shipping through the strait. Meanwhile, a Chinese crude oil supertanker, the Yuan Hua Hu, was spotted transiting the strait — one of only three large crude carriers to make the crossing since the conflict began, a quiet signal that Beijing may be navigating its own path through the crisis.

Why China Matters

Trump’s visit to China from May 13-15 was originally framed around trade, Taiwan, and AI cooperation. But the Iran war has consumed the agenda. China is Iran’s largest oil customer and a key player in any potential diplomatic resolution. Beijing has been carefully calibrated in its response — neither fully backing Tehran’s military posture nor endorsing the US-Israeli campaign.

Xi Jinping now holds significant leverage. China’s economic ties to Iran, its growing naval presence in the Indian Ocean, and its seat at the UN Security Council make it an indispensable interlocutor. Whether Trump can persuade Xi to pressure Iran into a more acceptable deal — or whether Xi will use the crisis to extract concessions on trade and Taiwan — remains the central question of the summit.

The BRICS Dimension

The Iran war is also casting a shadow over the BRICS foreign ministers’ meeting in New Delhi on May 14-15. Iran, now a BRICS member, has been pushing India to use the platform to build consensus condemning US and Israeli actions. But the United Arab Emirates, also a BRICS member and a closer US ally, has opposed the move. India, the 2026 BRICS chair, has acknowledged the difficulty of forging consensus among members directly involved in the conflict.

Reports have also emerged that the UAE has been secretly carrying out military strikes on Iranian targets — a revelation that further complicates the regional picture and underscores how the conflict has drawn in multiple Gulf states beyond the primary US-Israel-Iran axis.

The Stakes

The convergence of Trump’s China visit, Iran’s nuclear threat, the Hormuz blockade, and the BRICS meeting creates a diplomatic pressure cooker unlike anything seen in recent years. Several key questions hang in the balance:

  • Will Trump and Xi find common ground on Iran? China has the economic leverage to push Tehran toward concessions, but may demand a high price.
  • Can the ceasefire survive? With Iran threatening nuclear escalation and the US dismissing its proposals, the truce is described by diplomats as being on “life support.”
  • What happens to oil prices? Every day the strait remains blocked, the global economy absorbs another shock. Airlines are already canceling flights as jet fuel prices soar.
  • Does the UAE’s involvement widen the war? Secret strikes by a Gulf neighbor could trigger retaliation and pull more countries into direct confrontation.

The next 72 hours — spanning the Trump-Xi summit and the BRICS meeting — may well determine whether the US-Iran conflict moves toward resolution or spirals into a broader regional war with nuclear implications.

For now, the world watches and waits. The price of oil, the safety of shipping lanes, and the future of nuclear non-proliferation all depend on what happens in Beijing this week.