Iran's Revolutionary Guards launched drone and missile attacks targeting U.S. military installations in Bahrain and Kuwait overnight Saturday, then warned that any further American strikes would trigger "a complete halt" to the fragile ceasefire process, a direct threat to unravel the 14-point memorandum of understanding signed barely ten days earlier.

No American personnel were injured and no U.S. assets were damaged, a U.S. official told CBS News on Sunday morning. Some of the incoming drones and missiles were shot down or intercepted. But the Revolutionary Guards claimed a different result entirely, asserting they had "destroyed eight important US military facilities at the Ali al-Salem base in Kuwait and at the Fifth Fleet naval base in Port Salman in Bahrain."

The gap between those two accounts captures the broader problem. A ceasefire exists on paper. In practice, both sides are trading strikes, issuing threats, and accusing each other of violating an agreement whose enforcement mechanism amounts to little more than mutual restraint, restraint that is visibly breaking down.

A weekend of escalation

The cycle of violence that produced Sunday's Iranian attacks began days earlier, when Iranian forces struck the cargo vessel Kiku with drones in the Strait of Hormuz. The Kiku appeared to be attempting to use a route along Oman's coastline, a corridor the U.S. Navy's Joint Maritime Information Center had just announced would be expanded for both inbound and outbound traffic.

U.S. Central Command responded Friday with strikes on Iran, and President Trump confirmed the action on Truth Social Saturday, writing that "United States aircraft just struck Iranian missile and drone storage locations, and coastal radar sites, for violating the Cease Fire Agreement, AGAIN!"

CENTCOM's own statement was blunt: "Iran was given a chance to honor the ceasefire agreement but elected not." The command said U.S. military aircraft targeted Iranian surveillance infrastructure, communication systems, air defense sites, drone storage facilities, and minelayer capabilities, assets directly tied to Tehran's ability to threaten commercial shipping through the strait, through which roughly one-fifth of the world's oil and liquefied natural gas exports travel in peacetime.

Iran's retaliation came overnight. By Sunday morning, the Revolutionary Guards were not only claiming success against American bases but issuing an open-ended warning.

"Let the enemy know that violating the ceasefire... will lead to a complete halt of ongoing processes."

They added: "Any enemy aggression, whatever the pretext, even against insignificant targets... will have a crushing response."

The ceasefire that isn't holding

The memorandum of understanding between Washington and Tehran is a 14-point document signed roughly ten days before these latest exchanges. It was supposed to end the war "on all fronts, including in Lebanon." Neither Israel nor Hezbollah participated in those negotiations.

That omission has produced a second diplomatic crisis. On Friday, Secretary of State Marco Rubio announced a separate trilateral framework agreement between the United States, Israel, and Lebanon. That deal recognizes Israel's right to maintain a security zone inside southern Lebanon, a zone extending roughly ten kilometers, or six miles, and conditions any Israeli withdrawal on "the verified disarmament of non-state armed groups and dismantlement of associated infrastructure."

In other words, Israel stays until Hezbollah disarms. Previous diplomatic efforts to halt the fighting had left this question deliberately ambiguous. The trilateral agreement did not.

Prime Minister Benjamin Netanyahu called it "a historic achievement," stating Saturday that Israel would "continue to maintain it until Hezbollah and the other terrorist organizations are disarmed, until Lebanon no longer poses a threat to Israel." Israeli Defense Minister Israel Katz reinforced the message in a video statement Saturday evening.

"The important principle established in the agreement is that there will be no redeployment by Israel in southern Lebanon, no withdrawal, as long as the terrorist organization Hezbollah is not disarmed throughout Lebanon, and the safety of the residents of the north is guaranteed."

Katz acknowledged the road ahead would not be smooth: "The test will be in implementing the agreement, and many more challenges are expected." He and Netanyahu instructed the IDF to prepare for an extended stay in the security zone. Israeli military chief Eyal Zamir approved plans for "continued operations in the security zone, in accordance with the ceasefire agreement."

Hezbollah calls the deal a 'disgrace'

Hezbollah's response was predictable and fierce. Secretary-General Sheikh Naim Qassem rejected the trilateral agreement outright, calling it "a humiliation, a disgrace, and a surrender of sovereignty." He declared it "null and void" and insisted that only the provisions of the Iranian-American memorandum of understanding should be implemented.

"We will continue, through all necessary means and international and Arab pressure, to ensure that the Israeli enemy complies with the first article of the Memorandum of Understanding and withdraws from Lebanon."

Qassem went further, pledging that Hezbollah would remain a fighting force: "We did not abandon the battlefield in its most difficult moments, and we will not abandon it now, for this is the path to goodness and salvation." A Hezbollah lawmaker warned separately that Israeli strikes on Lebanon would lead to "internal conflict."

The split is clear. Israel and the United States treat the trilateral agreement as the operative framework for southern Lebanon. Iran and Hezbollah insist the MOU, which they helped negotiate, is the only legitimate document. CBS News noted there were "no substantial differences from the ceasefire that Israel and Lebanon were already operating under," but the political symbolism of formalizing Israel's security zone has turned the agreement into a flashpoint.

Meanwhile, Israel renewed strikes on Lebanon on Sunday, with Lebanon's state-run National News Agency reporting several attacks. Lebanon's health ministry said one person was killed in an Israeli strike on the south on Saturday.

Gulf states condemn Iran, and Iran warns them, too

The Iranian strikes on Bahrain and Kuwait drew swift condemnation from across the Gulf. The United Arab Emirates "condemned in the strongest terms the hostile drone attacks by Iran that targeted the Kingdom of Bahrain." Egypt stated it "stands alongside the Kingdom of Bahrain in confronting anything that threatens its security and territorial integrity." Saudi Arabia and Qatar joined the chorus.

Kuwait's foreign ministry issued a pointed statement of its own, noting that the attacks came "at a time when regional and international efforts are aimed at de-escalation and reducing tensions" and calling them "a serious undermining of peace and stability efforts and a threat to the security and stability of the region."

These are countries that have tried to stay out of the direct line of fire. Iran's decision to target U.S. assets on their soil forces them closer to a confrontation none of them sought. Domestic political debates in Washington over war powers and the scope of military action have only added uncertainty about how far the United States is prepared to go.

Iranian Foreign Minister Abbas Araghchi, meanwhile, warned Sunday against any attempt to create alternative shipping arrangements that bypass the Strait of Hormuz routes agreed with the United States.

"Any attempt to adopt new or separate arrangements compared to what is underway by the Islamic Republic of Iran, will only lead to more complicated situations and delays in the reopening of the Strait of Hormuz, and will increase the tensions."

The Revolutionary Guards reinforced that message, stating they "were taking measures to control traffic in the strait" and that "violating vessels would be dealt with more firmly than before." The attack on the Kiku, which triggered this entire escalation cycle, suggests that threat is not empty.

Iran's economic pressure and Trump's warning

Behind the military posturing sits an Iranian economy under extraordinary strain. The Statistical Centre of Iran released figures Saturday showing year-on-year inflation hit 88.6% in June. Food prices more than doubled during the Persian month of Khordad, which ran from May 22 to June 21. For comparison, the U.S. Personal Consumption Expenditures index rose at a 4.1% annual rate in May.

That economic reality has shaped, and complicated, every stage of the negotiations. Proposals to unfreeze Iranian assets as part of a broader deal have drawn intense scrutiny in Washington, with critics questioning whether financial concessions would reward Tehran's belligerence rather than restrain it.

President Trump's own rhetoric Saturday left little ambiguity about where he believes the situation is heading if Iran does not change course. He posted on Truth Social that "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." He added: "If that happens, the Islamic Republic of Iran will no longer exist!"

Those are not diplomatic words. They are a statement of maximum pressure from a president who has alternated between direct engagement with Tehran and the threat of overwhelming force. The Revolutionary Guards, for their part, answer only to Supreme Leader Ayatollah Mojtaba Khamenei and wield enormous influence inside the Islamic Republic, influence that has only grown during the conflict.

CENTCOM stated Sunday that it "launched strikes today in direct response to continued Iranian aggression against commercial shipping." The targets, surveillance infrastructure, communication systems, air defense sites, drone storage, and minelayer capabilities, suggest the United States is methodically degrading Iran's ability to project power in the Gulf. Whether that degradation produces compliance or further escalation remains the central question.

What comes next

The 14-point MOU was supposed to create a framework for ending the war. Instead, both sides are using it as a rhetorical weapon, each accusing the other of violating its terms, each citing it to justify the next round of strikes. The trilateral agreement on Lebanon has added another layer of friction, giving Hezbollah a grievance and Iran a pretext to claim the United States has abandoned the spirit of the deal.

The Gulf states are caught in the middle. Earlier reports of a ceasefire extension suggested the outlines of a longer-term arrangement might be taking shape. Sunday's events suggest that shape is far less defined than anyone in Washington or Tehran has been willing to admit.

A ceasefire that requires constant military enforcement to survive is not a ceasefire. It is a holding pattern, and holding patterns, by definition, do not hold forever.