In the ruins of the former Khiam prison in Lebanon, a group poses with a Hezbollah flag. The image recalls the deep historical roots of a front that the Iran–US agreement does not yet resolve. Credits: Paul Keller / Flickr.
Announced on the night of June 14–15, 2026, the Iran–United States agreement promises an end to war in the Middle East. Lebanon is included in that promise. But the text is not public. Its signing is only scheduled for June 19 in Geneva. Several Lebanese and Israeli actors are already disputing its real scope.
A Memorandum Announced, Not Yet Verifiable Peace
The core of the matter lies in a decisive nuance. The United States and Iran say they have reached a memorandum of understanding. It was presented by the Pakistani mediator, then confirmed by Washington and Tehran. But the full contents of the document have not been published. Announcements speak of an immediate cessation of hostilities on several fronts. They also mention the reopening of the Strait of Hormuz and detailed negotiations within sixty days.
This timeline calls for caution. The formal signing is announced for Friday, June 19 in Geneva. Until then, the precise commitments and their monitoring mechanisms remain unclear. Expected concessions on Iran’s nuclear program, sanctions, missiles, and Tehran’s regional allies are known only through public statements and dispatches.
In a joint statement published on June 15, France, the United Kingdom, Germany and Italy welcome the memorandum. They also set out their priorities: freedom of navigation in the Strait of Hormuz, absence of Iranian nuclear weapons, and stability and sovereignty of Lebanon. In other words, Europeans support the diplomatic opening without treating its effects as a given.
Why Lebanon Concentrates the Unknowns
Lebanon appears in the Iran–United States agreement as a front to be pacified. It is also the point where the announcements become most fragile. On franceinfo, researcher Karim Émile Bitar calls the agreement “extraordinarily vague.” This Middle East and U.S. foreign policy specialist fears that Lebanon could become the “scapegoat” of the compromise.
His concern centers on a blind spot: a truce can be proclaimed in the name of Lebanon without Lebanese conditions actually being resolved. The withdrawal of Israeli forces from southern Lebanon is not publicly guaranteed. Hezbollah’s military role is not clarified. The arrangement that would allow verification of a Lebanon–Hezbollah–Israel ceasefire is not detailed.
This uncertainty is all the more acute because Hezbollah is not identical with the Lebanese state. The movement, an ally of Iran, maintains its own military capability. It also retains its own reading of the balance of power with Israel. A Hezbollah official spoke to Reuters, according to L’Orient-Le Jour. He says the party has carried out no operations since the announcement of the agreement. He nevertheless rejected any “freedom of movement” for Israel in Lebanon.
Beirut Between Official Hope and Diplomatic Ambiguity
Lebanese authorities are therefore walking a tight line. An official source cited by AFP says Lebanon was not informed of the terms of the agreement. Beirut also does not know the exact moment a ceasefire would take effect on its territory. This reaction places the country in a paradoxical position. It is directly affected by a clause meant to stop fighting on its soil. But it appears primarily as an object of negotiation between Washington, Tehran and other regional actors.
This gap weighs on the memorandum’s political significance. If Lebanese authorities must await external clarifications, Lebanon’s sovereignty remains subject to arbitrations it does not control. The ambiguity therefore concerns not only the timeline. It touches the very place of the Lebanese state in the announced arrangement.
At the same time, Lebanese officials cannot ignore the opportunity opened by de-escalation. President Joseph Aoun hopes the Iran–US framework can bring a definitive end to the war with Israel. The speaker of parliament, Nabih Berri, thanked Tehran and Washington. He welcomes the inclusion of a clause on stopping Israeli aggression against Lebanon.
These reactions are not necessarily contradictory. They sketch a country that welcomes the possibility of a pause. They also note that the text, guarantees and obligations are not yet legible. The Lebanese army has moreover called on displaced residents from border villages to wait before returning. It cites the persistent risk of violations, attacks or unexploded ordnance.
Israel Refuses To Tie Its Security To the Geneva Timeline
The Israeli factor further complicates interpretation. Defense Minister Israel Katz says the Israeli army will remain for an indefinite period in the security zones. He cites Lebanon, Syria and Gaza. According to L’Orient-Le Jour, he presents this presence as protection for Israel’s borders and communities.
This stance is in direct tension with the idea of a regional ceasefire applicable to Lebanon. If Israel keeps forces in disputed sectors, the memorandum risks producing a precarious lull rather than a settlement. The risk increases if Hezbollah ties its restraint to Israeli behavior. That is precisely what Karim Émile Bitar fears. The agreement appears broad enough to announce peace, but too vague to protect the Lebanese link.
The political risk must therefore be read from these documented uncertainties, and not as an automatic consequence. As long as the full text remains unknown, each actor retains room for interpretation. The timeline for implementation, withdrawal guarantees and the verification mechanism are still missing. This gray area can fuel narratives that present force as the only guarantee of security. It stems primarily from the lack of public rules to adjudicate the announced commitments.
In Beirut, this ambiguity reduces the state to an already fragile equation. It must defend its sovereignty, respond to Israeli pressures and contend with Iranian influence. It must also deal with the unresolved question of Hezbollah’s weapons. The agreement can open political space. But its provisions must become precise enough not to let the ground decide in place of the text.
Hormuz, Nuclear, Sanctions: Lebanon in a Larger Bargain
The announced agreement does not concern Lebanon alone. It also seeks to reopen the Strait of Hormuz, a crucial route for global hydrocarbons. It must also frame a new phase of talks on Iran’s nuclear program and sanctions. This dimension explains European urgency. Maritime security, energy prices and nuclear proliferation far exceed the Lebanese theater.
These elements, however, come from the parties’ statements, not yet from provisions verified in a public memorandum. Donald Trump presents the reopening of Hormuz as an achievement tied to the June 19 signing. Tehran, for its part, highlights the end of military operations and the opening of definitive negotiations. AFP, quoted by Boursorama, cites Iranian Deputy Minister Kazem Gharibabadi. He announces an end to operations on the various fronts, including in Lebanon.
In the absence of a published text, these formulations must be treated as declared positions. They do not prove that the corresponding mechanisms are already settled. They indicate the compromise’s ambition. But they are insufficient to establish how Hormuz, the military fronts and the diplomatic timeline will be linked.
But the broader the framework, the more Lebanon can become secondary. Hormuz, Iran’s nuclear file, U.S. sanctions and the guarantees demanded by Israel carry significant weight. Lebanese sovereignty therefore risks being addressed only through others’ interests. It is this imbalance that gives weight to a central question. Who will verify, on the ground, that a ceasefire announced from Geneva actually protects Lebanon?
A Peace Provided You Don’t Declare It Too Soon
At this stage, the Iran–United States agreement opens a real diplomatic window. It can reduce military pressure, calm markets and bring negotiations back to the center of the stage. But it is not sufficient to establish that the war in Lebanon is over. The text is not public. The signing has not yet taken place. Control modalities remain unknown. Both Israel and Hezbollah maintain positions capable of derailing the sequence.
Caution is therefore not a stylistic caveat. It is the heart of the reporting. Until the memorandum specifies Israeli withdrawal, Lebanon will remain exposed. Security guarantees, Hezbollah’s role and the authority of the Lebanese state require clarification. The country therefore appears less as the assured beneficiary of the agreement than as its principal test.