The U.S. military struck multiple Iranian targets on June 26, 2026, in response to an attack on a Panama-flagged tanker near the Strait of Hormuz, while Iran retaliated by targeting U.S. military sites in Kuwait and Bahrain, escalating tensions in the region. The strikes followed a week of escalating hostilities, with both sides accusing each other of violating a fragile ceasefire agreement. The conflict has sent oil prices tumbling, with Brent crude down 4.34% to $71.99 a barrel, and raised fears of broader regional instability.
U.S. and Iran Exchange Retaliatory Strikes
The U.S. military conducted air strikes on Iranian military infrastructure on June 26, targeting surveillance systems, drone storage facilities, and radar sites, according to U.S. Central Command. The operation, authorized by President Donald Trump, was a direct response to an Iranian drone attack on the M/T Kiku tanker, which was carrying over 2 million barrels of crude oil near the Strait of Hormuz. “United States aircraft just struck Iranian missile and drone storage locations, and coastal radar sites, for violating the Cease Fire Agreement, AGAIN!” Trump wrote on Truth Social, adding a veiled threat: “There may come a point when we are no longer able to be reasonable, and will be forced to militarily complete the job that we very successfully started.”
Iran retaliated hours later, launching ballistic missiles and drones at U.S. military installations in Kuwait and Bahrain, according to the Islamic Revolutionary Guard Corps (IRGC). Bahrain condemned the attacks as a violation of its sovereignty, while Kuwait called the strikes “a flagrant violation of its sovereignty.” The U.S. Central Command confirmed the Iranian strikes but did not immediately report casualties or damage. The IRGC claimed the attacks were a response to U.S. “military aggression,” citing the MoU’s provisions on safe passage for commercial vessels.
“Iran was given a chance to honor the ceasefire agreement but elected not to when its forces launched a one-way attack drone that hit M/T Kiku this morning at 4:30 a.m. ET,” U.S. Central Command stated. The incident marked the latest in a series of clashes since the two nations agreed to a 60-day ceasefire on June 17, which aimed to de-escalate their ongoing conflict sparked by U.S.-led attacks on Iran in February 2026.
The Tanker Attack and Ceasefire Violations
The M/T Kiku attack, which occurred early on June 26, was the second major incident involving commercial vessels in the Strait of Hormuz within days. Earlier, on June 24, an Iranian drone struck the Singapore-flagged Ever Lovely cargo ship near Oman, though no injuries were reported. The U.S. responded by targeting Iranian military sites in Sirik, Bandar-e Lengeh, and Qeshm Island, according to Al Jazeera. Iran has consistently opposed the U.S.-backed route through the strait, claiming vessels should use its designated corridor closer to its coastline.
The International Maritime Organization (IMO) temporarily paused its evacuation plan for ships stranded in the strait following the M/T Kiku attack, citing safety concerns. “Following the launch of the [IMO’s] evacuation plan, through which several vessels have already been successfully evacuated, I have decided to temporarily pause its implementation in order to reconfirm that the necessary safety guarantees continue to be in place for the ships on our evacuation list and all those in the region,” said IMO Secretary-General Arsenio Dominguez.
Iran’s Ministry of Foreign Affairs condemned the U.S. strikes as a violation of the MoU and the UN Charter, accusing the U.S. of “not placing the slightest value and credibility on its commitments.” The agreement, which extended a ceasefire that began with U.S.-Israel attacks on Iran in February 2026, includes provisions for Iran to “make arrangements using its best efforts for the safe passage of commercial vessels” through the strait. During the war, Iran blocked the waterway, which handles about 20% of global oil traffic, triggering a global energy crisis.
Oil Markets React to Escalating Tensions
The conflict has sent oil prices into a tailspin, with international benchmark Brent crude futures falling 4.34% to $71.99 a barrel on June 26, while U.S. West Texas Intermediate (WTI) futures declined 3.
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