U.S., Iran trade attacks amid cease-fire, Hormuz tensions

by · UPI

May 28 (UPI) -- The U.S. military attacked Iran, Tehran confirmed early Thursday, as Iran announced retaliatory strikes of its own.

Iran targeted a U.S. air base at about 4:50 a.m. local time in response to the U.S. military striking presumed Iranian military assets near Bandar Abbas Airport in southern Iran.

"This response is a serious warning so that the enemy knows aggression will not go unanswered, and that in the event of a repeat, our response will be more decisive and the responsibility and consequences will lie with the aggressor," Iran's Islamic Revolutionary Guard Corps said in a statement carried by Iranian state media.

The air base targeted and whether it sustained damage were not known. The U.S. military has yet to comment.

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The announcement came as the Kuwait Army said its air defenses were confronting "hostile missile and drone attacks." While the United States maintains a significant military presence in Kuwait, it was not immediately clear whether those attacks were related to the U.S.-Iran exchange.

Explosions were heard near Bandar Abbas, Iranian state news agency Tasnim reported earlier Thursday.

Citing an unidentified military source, the news agency said the U.S. attack followed the Iranian Navy firing shots toward a U.S. oil tanker that had turned off its radar system and intended to pass through the Strait of Hormuz.

The oil tanker reportedly ended its attempt to transit the vital energy maritime trade route.

Iran has been enforcing has been restricting access through the Strait of Hormuz since the start of the war, permitting only certain vessels through. The United States responded with a military blockade of Iran's ports, cutting it off from sea-based trade.

The two sides have been in talks since a fragile cease-fire was agreed to last month, with Thursday's U.S. strikes on Iran the second time it has attacked the country so far this week.

On Monday, the U.S. military attacked southern Iran, describing the strikes as "self-defensive" in nature.

The Trump administration has repeatedly stated that it intends to secure free navigation of the Strait of Hormuz, one way or another, though it would prefer to do so through diplomacy.

Iran's control of Hormuz is reportedly one of its conditions in negotiations on ending the war. In response to reports carried by Iranian state media that Iran and Oman, which border either side of the Strait of Hormuz, are in talks over control of the choke point, President Donald Trump said the transit route will be open to all countries and under no government's control.

"It's international waters. Nobody's going to control it. We're going to watch over it. We'll watch over it, but nobody's going to control it. That's part of the negotiation that we're having," he told reporters during a Cabinet meeting on Wednesday.

"And Oman will behave just like everybody else or we'll have to blow them up. They understand that. They'll be fine."

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Muslims perform Eid al-Adha prayers at sunrise in Cairo, Egypt, on May 27, 2026. Photo by Ismael Mohamad/UPI | License Photo