Tensions between the United States, Iran, and the Gulf states escalated sharply on Tuesday and Wednesday, as the United Arab Emirates imposed an indefinite trade embargo on Iran following accusations that Tehran fired two ballistic missiles at Emirati territory, while US President Donald Trump posted a map depicting the Strait of Hormuz — the narrow waterway connecting the Persian Gulf to the Gulf of Oman — as "New US Territory".
The UAE's Ministry of Defence said its air defences detected two ballistic missiles launched from Iran, one of which fell within the country's territorial waters while the other landed outside them. The ministry described the missiles as "targeting maritime traffic" and pledged to "resolutely confront any attempt to undermine the security of the nation or maritime navigation in the region." In response, the UAE's Ministry of Foreign Affairs announced a halt to "all trade, commercial exchanges and financial transactions with Iran until further notice." Tehran flatly denied the allegation, with foreign ministry spokesman Esmaeil Baghaei calling it a "false flag operation" and warning that the accusation "contradicts the principle of good neighbourliness." The missile incident is the first targeting the UAE since May and comes days after Abu Dhabi accused Iran of attacking two vessels belonging to ADNOC, the Abu Dhabi National Oil Company.
The trade embargo could prove to be a severe blow to Iran's already pressured economy. Dubai has quietly become Iran's single largest trading partner, supplying roughly a third of everything Iran imports each year and serving as a discreet conduit for moving money around international sanctions. Retired US General Mark Kimmitt, a former assistant secretary of state, described the UAE's move as potentially more damaging than anything Washington has imposed on Tehran, likening it to the sweeping embargo the United States placed on Japan after World War II. He cautioned, however, that Iran could interpret it as bordering on an act of war.
The crisis is unfolding against a broader diplomatic stalemate. A 60-day window for US-Iran peace talks expired this week without a breakthrough, and Trump — who had claimed on Monday that back-channel talks with Iran's Islamic Revolutionary Guard Corps were ongoing — reversed course on Tuesday, posting that "there are no talks or conversations going on, or scheduled, with the Islamic Republic of Iran." He simultaneously threatened to bomb Oman, the small sultanate of just over 5 million people on the southeastern tip of the Arabian Peninsula, if it "gets in the way" of his demands. Oman has been quietly negotiating with Tehran over management of the Strait of Hormuz, discussions Iran says could include transit fees and sovereignty arrangements. Qatar has said mediators are awaiting the outcome of an Iran-Oman deal before pressing Washington and Tehran to resume broader negotiations.
Why this matters: the Strait of Hormuz is one of the world's most critical energy chokepoints, through which a significant share of global oil and natural gas passes. Iran has asserted control over the strait since the conflict began in late February, and the combination of a US naval blockade of Iranian ports, ongoing missile strikes, and now the UAE's embargo risks compounding the disruption to global energy markets. With peace talks stalled, the 60-day interim agreement effectively lapsed, and regional states caught between Washington and Tehran, the path toward a diplomatic resolution appears increasingly narrow.