By Kanishka Singh and Parisa Hafezi
WASHINGTON/DUBAI, Aug 20 (Reuters) – U.S. President Donald Trump warned of economic consequences against any country that provided “any type of lifeline to Iran” as the United States looks to resolve a war it began alongside Israel nearly six months ago.
Thousands have been killed in the war, which quickly drew in Gulf nations and shocked global markets as Iran flexed its ability to curb shipping through the Strait of Hormuz, which carried about a fifth of the world’s traded oil before February.
The U.S. and Iran have twice announced ceasefire deals, in April and June, aiming to restore the free flow of shipping through Hormuz on a path towards ending the conflict, but both quickly crumbled even as Israel has largely withdrawn from the fighting.
In a social media message on Wednesday, Trump promised “Economic Warfare and Isolation on an unprecedented scale,” although details were scant.
Iran has weathered continuous punishing economic sanctions for nearly 50 years, since the Islamic Revolution of 1979.
“ANY country that allows its financial institutions, businesses, airports, or government entities to provide any type of lifeline to Iran will itself face TREMENDOUS Economic Consequences,” Trump wrote.
Iran Foreign Minister Abbas Araqchi called Trump’s comments an attempt to divert American public opinion from domestic financial problems, including record debt and rising interest rates.
He said Washington’s insistence on policies he described as failed would bring further failures and alienate Iranians.
“America’s economic terrorism threatens the global economy and the national sovereignty of countries around the world,” he said on X.
Trump’s social media threats and announcements do not always get implemented as written, and he did not say what specific steps the U.S. would take against such a country, which would appear to include U.S. allies that have helped mediate peace talks, but he did not identify any.
On Tuesday, the United Arab Emirates, which hosts a major U.S. military base, said it was suspending all trade activities, commercial exchanges and financial transactions with Iran until further notice.
The step came after the UAE defense ministry said it had detected two missiles launched from Iran that fell into the sea, a report Iran dismissed as baseless.
China buys more than 80% of Iran’s shipped oil, 2025 data from analytics firm Kpler shows, but the U.S. risks retaliation should it engage in further economic warfare with China, a major exporter of items such as vital rare earth minerals to the U.S.
Iran remains open to dialogue with the U.S. but does not confuse negotiations with surrender, Mohammad Mokhber, an adviser to Iran’s supreme leader, said on Tuesday, according to the semi-official Fars news agency.
Military pressure and sanctions would not break Iran’s resolve, Mokhber added.
On Tuesday, Trump said no talks were taking place with Iran. A day earlier, Jared Kushner, his son-in-law and special envoy, struck an upbeat tone, saying talks were still underway and “probably more robust” than ever.
Trump wants to seize Iran’s stockpile of highly enriched uranium and is seeking a new, more restrictive agreement curbing its nuclear energy and research programs, to replace one from which he unilaterally withdrew the U.S. in 2018.
A signatory to the non-proliferation treaty, Iran has said for decades its nuclear programs are peaceful.
(Reporting by Kanishka Singh and Jasper Ward; Writing by Jonathan Allen; Editing by Lincoln Feast and Clarence Fernandez)
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