President Donald Trump said Monday that the ceasefire between the U.S. and Iran is on "massive life support" [1].

The remarks signal a precarious diplomatic moment where a collapse of the agreement could trigger military escalation in the Strait of Hormuz, a critical artery for global energy supplies.

Speaking to reporters in the Oval Office in Washington, D.C., Trump said he dismissed the latest ceasefire proposal from the government of Iran [2]. He described Tehran's response as a "piece of garbage" [1].

Trump said the proposal was ineffective, leaving the current truce on fragile footing [3]. This rejection heightens concerns that the two nations may return to open conflict if a viable agreement is not reached soon.

Market reactions to the diplomatic friction were immediate. Brent crude prices rose above $104 per barrel following the president's comments [4].

The tension centers on the Strait of Hormuz, which analysts warn could become a primary flashpoint if the ceasefire fails [2]. While the administration focuses on the fragility of the truce, other reports indicate the conflict will remain a central topic during the president's upcoming travel to China [5].

Trump said he did not provide a specific timeline for further negotiations, but he maintained that the current Iranian offer was unacceptable [3].

"The ceasefire is on massive life support."

The breakdown in communication between Washington and Tehran increases the risk of a maritime blockade or military skirmishes in the Strait of Hormuz. Because a significant portion of the world's oil passes through this narrow waterway, the instability is directly impacting global energy markets and driving up crude prices.