The remarks from Bessent echoed President Donald Trump, who told reporters at the White House on Monday that Iran faced its “last chance before decapitation” — a characteristic blend of diplomatic optimism and overt threat that has defined Washington’s posture toward Tehran throughout a war now in its sixth month.
Rubio Confirms US Role in Oman-Brokered Iran Talks
Secretary of State Marco Rubio disclosed Tuesday that the United States is participating in negotiations between Oman and Iran aimed at increasing traffic through the Strait of Hormuz. The disclosure came even as Iran’s foreign ministry publicly denied that any negotiations with Washington were underway — a contradiction Trump seized on, calling Tehran “duplicitous” and insisting talks were proceeding.
Qatar, which has mediated earlier rounds of the conflict, said diplomatic efforts remained active but that no direct Iran-US talks were scheduled. Qatar’s leader, Sheikh Tamim bin Hamad Al-Thani, spoke with Trump by phone Tuesday, with Doha describing the conversation as focused on “efforts to de-escalate tensions.” Trump had previously said he expected clarity on the talks’ direction by Tuesday, “one way or the other,” while downplaying the complexity: “it’s not very complex.”
Washington’s stated objectives encompass both reopening Hormuz and the denuclearization of Iran — the latter a goal Trump conceded could “take a little while.” The president has maintained that a US counter-blockade of Iranian ports will remain in force “unless a Deal, or Total Surrender, is accomplished.”
Why the Strait of Hormuz Matters
The Strait of Hormuz is a primary conduit for global oil and gas supplies, and control of the waterway has been the central spark for renewed fighting between the United States and Iran. Tehran has moved to assert authority over the strait that it did not exercise before the war, seeking to charge tolls on transiting vessels and requiring ships to coordinate crossings with Iranian authorities — powers Washington fiercely opposes.
The conflict began on February 28, when the United States and Israel launched surprise attacks on Iran. A ceasefire and a preliminary agreement followed in subsequent months, but diplomacy has failed to produce a durable end to hostilities. More than five months in, Iran retains the capacity to fire missiles and drones at US and allied targets across the region, as well as at commercial shipping.
Maritime Attacks Underscore Fragility
The volatility of the situation was underscored by two maritime incidents on Tuesday. Britain’s maritime security agency, UKMTO, reported that an unnamed cargo vessel had been struck by an “unknown projectile” in the Strait of Hormuz off the coast of Oman, with one crew member listed as missing.
Separately, the Indian vessel MSV Faize Noore Oliya sank in the Red Sea off Yemen following an unattributed attack, though all of its crew were rescued. The Red Sea has taken on heightened strategic importance as Hormuz disruptions have mounted, but it carries its own risks: Iran-backed Houthi rebels in Yemen have declared a maritime blockade on Saudi Arabia and claimed attacks on multiple ships they say violate it.
Saudi Arabia has leaned on its Red Sea port of Yanbu to sustain shipments to global markets by circumventing Hormuz entirely. The Red Sea serves as a gateway to the Suez Canal, and a previous Houthi campaign against commercial vessels during the Gaza war forced shippers into lengthy detours around the southern tip of Africa.
Oil Market Reacts to Diplomatic Signal
Benchmark Brent North Sea crude fell more than six percent to below $79.00 per barrel on Tuesday, a sharp drop driven by the rekindled prospect of restored shipping through Hormuz. The sell-off reflects how tightly oil markets have tracked the diplomatic rhythm of the conflict: each hint of progress has pulled prices lower, while each breakdown or escalation has sent them sharply higher.
Trump’s pattern of threatening Iran with severe military action — including potential strikes on civilian infrastructure — only to pull back and suggest a deal is near has become a recurring feature of the crisis. Last week he threatened to hit Iran “very hard” before signaling that an agreement was close.
What Happens Next
The immediate question is whether Bessent’s “today or tomorrow” timeline produces a concrete agreement or dissolves into another cycle of threat and retreat. Watch for any joint statement from Oman or Qatar confirming terms, and for Iran’s foreign ministry to either soften its denial or harden its position in response to Washington’s claims. Oil markets will likely remain volatile until a deal is formally announced or talks visibly collapse.
On the military side, continued projectile strikes in Hormuz and the Red Sea suggest that whatever diplomatic track is running in parallel has not yet translated into calm on the water. A sustained reopening of Hormuz would require Iran to lift its coordination demands and toll regime — concessions Tehran has shown no public willingness to make. If no agreement materializes within days, expect Trump’s “last chance” rhetoric to translate into renewed escalation, and for Brent crude to reverse Tuesday’s losses rapidly.
— Sofia Alvarez, world desk, AXO News