Iran-US Ceasefire Shatters in Strikes on Bahrain and Hormuz
The fragile ceasefire between Iran and the United States collapsed on Saturday as tit-for-tat military strikes spiraled into the most serious escalation since the war began. After US airstrikes targeted Iranian coastal military sites overnight Friday, Iran retaliated with drone attacks on Bahrain—home to the US Navy’s 5th Fleet—and struck a tanker in the strategic Strait of Hormuz, threatening to plunge the Middle East back into full-scale conflict.
The Rapid Unraveling of the Islamabad Accord
Just nine days after Iran and the United States signed a Memorandum of Understanding (MoU) in Islamabad, Pakistan, establishing a 60-day framework for peace negotiations, the agreement lies in tatters. The MoU, mediated by Pakistan and Qatar, had raised hopes for an end to hostilities that began on February 28, 2026, when the US and Israel launched initial strikes on Iran.
According to AP News, the attacks in the Persian Gulf demonstrate the danger of the Iran war again spinning out of control, even after the interim deal aimed to secure a final accord. The US military’s Central Command said it struck Iranian missile and drone storage locations and coastal radar installations along Iran’s southern coast, describing the operation as “a powerful response to yesterday’s attack on a commercial ship.”
A Cascade of Strikes
The escalation unfolded rapidly over 72 hours. On Thursday, June 25, Iran launched at least four one-way attack drones at commercial ships transiting the Strait of Hormuz. President Donald Trump confirmed on Truth Social that one drone “solidly hit the upper deck of a large and very expensive Cargo Carrying Ship,” while three others were shot down.
In response, US Central Command conducted airstrikes on Friday night against Iranian military sites. Xinhua reported the strikes targeted positions along Iran’s southern coast. By Saturday, Iran’s Islamic Revolutionary Guard Corps (IRGC) retaliated, striking US Army positions in the West Asia region, launching drones at Bahrain, and hitting a tanker in the Strait of Hormuz with an unknown projectile that damaged the bridge but caused no casualties.
Bahrain’s Foreign Ministry condemned the drone attack as “a flagrant threat to the security of citizens and residents,” according to The Guardian. No immediate reports of damage or casualties emerged from the attack on the kingdom, which hosts the US Navy’s 5th Fleet.
Competing Narratives of Blame
Both sides accuse each other of violating the ceasefire. US Vice President JD Vance, who has led negotiations with Iran, warned on social media: “Iran signed a ceasefire agreement. We have honored it. If they have disagreements about how the MOU is being applied, they can pick up the phone. But violence will be met with violence.”
Iran’s Foreign Ministry condemned the US airstrikes as a “flagrant violation” of the United Nations Charter and the MoU, as Xinhua reported. Ebrahim Azizi, head of the Iranian parliament’s national security committee, said President Trump has shown “no commitment” to the principles of negotiation or a ceasefire, warning that the “reckless violation of the ceasefire” would lead to “retreat and regret” for the US.
The IRGC asserted that Iran prevented a ship from sailing through an “unauthorized” route in the Strait of Hormuz, claiming authority to manage maritime traffic under the peace MoU—a claim the US and Gulf states firmly reject.
The Strait of Hormuz: A Strategic Flashpoint
At the heart of the dispute lies control over the Strait of Hormuz, a waterway that carries approximately 20% of the world’s oil and liquefied natural gas. Iran views the strait as its primary source of leverage in negotiations and has threatened to charge tolls for transit. The US and Gulf Arab states insist it is an international waterway.
A multinational maritime body overseen by the US Navy announced Saturday it would expand a route near Oman to allow for both inbound and outbound traffic, setting up a potential new flashpoint with Tehran. Meanwhile, the International Maritime Organization (IMO) halted its evacuation plan for approximately 900 ships and 11,000 seafarers still stranded in the strait, pending security guarantees.
UN Secretary-General Antonio Guterres expressed hope that the Strait of Hormuz could return to its status quo ante, with his spokesperson saying: “I think we have to remain determined. The Strait of Hormuz, prior to the opening of this conflict, actually worked, right? So we know it can, and we should go back to that.”
Regional Implications and the Lebanon Dimension
The escalation threatens to draw Gulf Arab states more directly into the conflict. The attack on Bahrain—a small kingdom hosting key US naval assets—represents a direct challenge to its sovereignty and could prompt a stronger response from Gulf Cooperation Council members.
Complicating matters further, the unresolved conflict between Israel and Hezbollah in Lebanon continues to undermine the US-Iran framework. Iran has linked the durability of the Lebanon ceasefire to the success of its peace talks with the US, while Hezbollah has rejected a framework agreement signed between Israel and the Lebanese government.
What Comes Next
The rapid breakdown of the ceasefire demonstrates the profound mistrust between Washington and Tehran. Each side accuses the other of violations, creating a cycle of retaliation that threatens to unravel months of diplomatic work. With the US midterm elections approaching, the Trump administration faces pressure to restore stability in the Strait of Hormuz and lower energy prices, while Iran remains determined to maintain its strategic leverage.
The coming days will be critical. Will the two sides return to negotiations in Switzerland, or will this escalation spiral into a wider regional war? For the nearly 900 ships and their crews still stranded in the Strait of Hormuz, the answer cannot come soon enough.