What to Know about the Tensions between Iran and the US before Their Third Round of Talks

The flags of US and Iran are displayed in Muscat, Oman, 25 April 2025. Iran and US will hold third round of nuclear talks on 26 April 2025, in Muscat. (EPA)
The flags of US and Iran are displayed in Muscat, Oman, 25 April 2025. Iran and US will hold third round of nuclear talks on 26 April 2025, in Muscat. (EPA)
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What to Know about the Tensions between Iran and the US before Their Third Round of Talks

The flags of US and Iran are displayed in Muscat, Oman, 25 April 2025. Iran and US will hold third round of nuclear talks on 26 April 2025, in Muscat. (EPA)
The flags of US and Iran are displayed in Muscat, Oman, 25 April 2025. Iran and US will hold third round of nuclear talks on 26 April 2025, in Muscat. (EPA)

Iran and the United States will hold talks Saturday in Oman, their third round of negotiations over Tehran’s rapidly advancing nuclear program.

The talks follow a first round held in Muscat, Oman, where the two sides spoke face to face. They then met again in Rome last weekend before this scheduled meeting again in Muscat.

Trump has imposed new sanctions on Iran as part of his “maximum pressure” campaign targeting the country. He has repeatedly suggested military action against Iran remained a possibility, while emphasizing he still believed a new deal could be reached by writing a letter to Iran’s 85-year-old Supreme Leader Ali Khamenei to jumpstart these talks.

Khamenei has warned Iran would respond to any attack with an attack of its own.

Here’s what to know about the letter, Iran’s nuclear program and the tensions that have stalked relations between Tehran and Washington since the 1979 revolution.

Why did Trump write the letter? Trump dispatched the letter to Khamenei on March 5, then gave a television interview the next day in which he acknowledged sending it. He said: “I’ve written them a letter saying, ‘I hope you’re going to negotiate because if we have to go in militarily, it’s going to be a terrible thing.’”

Since returning to the White House, the president has been pushing for talks while ratcheting up sanctions and suggesting a military strike by Israel or the US could target Iranian nuclear sites.

A previous letter from Trump during his first term drew an angry retort from the supreme leader.

But Trump’s letters to North Korean leader Kim Jong Un in his first term led to face-to-face meetings, though no deals to limit Pyongyang’s atomic bombs and a missile program capable of reaching the continental US.

How did the first round go? Oman, a sultanate on the eastern edge of the Arabian Peninsula, hosted the first round of talks between Iranian Foreign Minister Abbas Araghchi and US Middle East envoy Steve Witkoff. The two men met face to face after indirect talks and immediately agreed to this second round in Rome.

Witkoff later made a television appearance in which he suggested 3.67% enrichment for Iran could be something the countries could agree on. But that’s exactly the terms set by the 2015 nuclear deal struck under US President Barack Obama, from which Trump unilaterally withdrew America.

Witkoff hours later issued a statement underlining something: “A deal with Iran will only be completed if it is a Trump deal.” Araghchi and Iranian officials have latched onto Witkoff’s comments in recent days as a sign that America was sending it mixed signals about the negotiations.

Yet the Rome talks ended up with the two sides agreeing to starting expert-level talks this Saturday. Analysts described that as a positive sign, though much likely remains to be agreed before reaching a tentative deal.

Why does Iran’s nuclear program worry the West? Iran has insisted for decades that its nuclear program is peaceful. However, its officials increasingly threaten to pursue a nuclear weapon. Iran now enriches uranium to near weapons-grade levels of 60%, the only country in the world without a nuclear weapons program to do so.

Under the original 2015 nuclear deal, Iran was allowed to enrich uranium up to 3.67% purity and to maintain a uranium stockpile of 300 kilograms (661 pounds). The last report by the International Atomic Energy Agency on Iran’s program put its stockpile at 8,294.4 kilograms (18,286 pounds) as it enriches a fraction of it to 60% purity.

US intelligence agencies assess that Iran has yet to begin a weapons program, but has “undertaken activities that better position it to produce a nuclear device, if it chooses to do so.”

Ali Larijani, an adviser to Iran’s supreme leader, has warned in a televised interview that his country has the capability to build nuclear weapons, but it is not pursuing it and has no problem with the International Atomic Energy Agency’s inspections. However, he said if the US or Israel were to attack Iran over the issue, the country would have no choice but to move toward nuclear weapon development.

“If you make a mistake regarding Iran’s nuclear issue, you will force Iran to take that path, because it must defend itself,” he said.

Why are relations so bad between Iran and the US? Iran was once one of the US’s top allies in the Middle East under Shah Mohammad Reza Pahlavi, who purchased American military weapons and allowed CIA technicians to run secret listening posts monitoring the neighboring Soviet Union. The CIA had fomented a 1953 coup that cemented the shah’s rule.

But in January 1979, the shah, fatally ill with cancer, fled Iran as mass demonstrations swelled against his rule. The revolution followed, led by Khomeini, and created Iran’s theocratic government.

Later that year, university students overran the US Embassy in Tehran, seeking the shah’s extradition and sparking the 444-day hostage crisis that saw diplomatic relations between Iran and the US severed. The Iran-Iraq war of the 1980s saw the US back Saddam Hussein. The “Tanker War” during that conflict saw the US launch a one-day assault that crippled Iran at sea, while the US later shot down an Iranian commercial airliner that the American military said it mistook for a warplane.

Iran and the US have see-sawed between enmity and grudging diplomacy in the years since, with relations peaking when Tehran made the 2015 nuclear deal with world powers. But Trump unilaterally withdrew America from the accord in 2018, sparking tensions in the Middle East that persist today.



Where Do Trade Talks Stand in the Rush to Avert Higher US Tariffs?

FILE PHOTO: A container is loaded onto a cargo ship while docked at Hai Phong port, after US President Donald Trump announced a 90-day pause on tariffs for many countries, in Hai Phong, Vietnam, April 16, 2025. REUTERS/Athit Perawongmetha/File Photo/File Photo
FILE PHOTO: A container is loaded onto a cargo ship while docked at Hai Phong port, after US President Donald Trump announced a 90-day pause on tariffs for many countries, in Hai Phong, Vietnam, April 16, 2025. REUTERS/Athit Perawongmetha/File Photo/File Photo
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Where Do Trade Talks Stand in the Rush to Avert Higher US Tariffs?

FILE PHOTO: A container is loaded onto a cargo ship while docked at Hai Phong port, after US President Donald Trump announced a 90-day pause on tariffs for many countries, in Hai Phong, Vietnam, April 16, 2025. REUTERS/Athit Perawongmetha/File Photo/File Photo
FILE PHOTO: A container is loaded onto a cargo ship while docked at Hai Phong port, after US President Donald Trump announced a 90-day pause on tariffs for many countries, in Hai Phong, Vietnam, April 16, 2025. REUTERS/Athit Perawongmetha/File Photo/File Photo

As a Wednesday deadline approaches for steeper US tariffs to hit dozens of economies ranging from the EU to India, trade negotiations with President Donald Trump's administration are coming down to the wire.

The levies taking effect July 9 were announced in April, with the White House citing a lack of "reciprocity" in trade relations. But they were swiftly halted, allowing room for talks.

Days before their reimposition, where do things stand?

EU: 'Ready' for deal

The European Union said it is "ready for a deal" with Washington, with the bloc's trade chief meeting his US counterparts Thursday.

European Commission president Ursula von der Leyen said the EU was targeting an "agreement in principle" when it came to the July 9 cutoff, AFP reported.

With no deal, the US tariff on EU goods doubles from the "baseline" of 10 percent to 20 percent -- with Trump previously threatening a 50 percent level.

Vietnam: A pact with uncertainties

Washington and Hanoi unveiled a trade pact Wednesday with much fanfare and few details, but it allowed Vietnam to avoid Trump's initial 46 percent tariff.

Under the agreement, Vietnamese goods face a minimum 20 percent tariff while products made elsewhere face a 40 percent levy -- a clause to restrict "transshipping" by Chinese groups.

But there remain questions on how the higher levy would apply to products using foreign parts.

There is also a risk that Beijing will adopt retaliatory measures, analysts warned.

Japan: Rice, autos at stake

Despite being a close US ally and major source of foreign investment, Japan might not escape Trump's tariff hike.

Tokyo's trade envoy Ryosei Akazawa has made numerous trips to Washington through the end of June.

But Trump recently criticized what he described as Japan's reluctance to open up further to US rice and auto exports.

"I'm not sure we're going to make a deal," Trump said, adding that the country could pay a tariff of "30 percent, 35 percent, or whatever the number is that we determine."

India: A good position

Indian manufacturers and exporters want to believe they can avoid a 26 percent tariff.

Negotiations between both countries have been going well for weeks, and Trump himself suggested at the end of June that a "very big" agreement was imminent.

Ajay Sahai, director general of the Federation of Indian Export Organizations, said the feedback he received "suggests positive developments." But he maintained that the situation was fluid.

Finance Minister Nirmala Sitharaman has stressed that agriculture and dairy products remain "very big red lines."

South Korea: Muted optimism

Seoul, which is already reeling from US tariffs on steel and autos, wants to avert a sweeping 25 percent levy on its other exports.

Cooperation in shipbuilding could be a bargaining chip, but "at this stage, both sides still haven't clearly defined what exactly they want," said new President Lee Jae Myung on Thursday.

"I can't say with confidence that we'll be able to wrap everything up by July 8," he added.

Indonesia, Thailand, Taiwan in the wings

Other Asian economies including Indonesia, Thailand and Cambodia, which faces a 49 percent tariff, wait with bated breath.

Indonesia has indicated willingness to boost energy, agriculture and merchandise imports from the United States. Bangladesh meanwhile is proposing to buy Boeing planes and step up imports of US agriculture products.

Taiwan, for whom Washington is a vital security partner, faces a 32 percent duty without a pact.

Although both sides have faced bumps along the way, Taiwanese Vice President Hsiao Bi-khim said "negotiators from both sides are working diligently" to find a path forward.

Switzerland: Hope for delay

Switzerland's government said Washington has acknowledged it was acting in good faith, and assumes its tariff level will remain at 10 percent on July 9 while negotiations continue.

But without a decision by the president as of the end of June, Switzerland did not rule out that levies could still rise to a promised 31 percent.