Lebanon Emerges as Weak Link in US-Iran Agreement Amid Israel-Hezbollah Conflict

Lebanon has become the weakest link in the US-Iran agreement aimed at ending the war, with the intense conflict between Israel and Hezbollah representing a significant barrier to the efforts to conclude the US-Israeli war against Iran, which was previously considered a secondary front, according to a report by The New York Times.

The initial agreement between Washington and Tehran faced an immediate risk of collapse due to the complex and volatile Lebanese situation.

This was clearly demonstrated as fighting escalated between the Israeli army and Hezbollah, leading directly to the cancellation of a critical round of negotiations in Switzerland.

Although both parties remained silent about the reasons for the postponement, informed diplomats confirmed that Tehran suspended its participation in protest against the unprecedented intensity of Israeli airstrikes within Lebanese territory.

In this context, the new Iranian leadership views Lebanon's security as a strategic depth inseparable from its own direct national security.

Researchers emphasize that Israel's previous military successes against Hezbollah paved the way for a direct confrontation with Tehran, making Israeli withdrawal a fixed Iranian objective.

The diplomatic stalemate has repeated twice within a few weeks, demonstrating the interconnectedness of the fronts and the impossibility of separating them, according to the report.

Earlier, Israeli strikes on the outskirts of Beirut triggered a new escalation, to which Iran responded by launching missiles toward deep Israeli territory, followed by a more intense wave of Israeli retaliatory air raids inside Iran.

This new diplomatic breakdown coincided with the signing of a preliminary agreement between Washington and Tehran intended to end their ongoing conflict.

The terms of this agreement called for an immediate and permanent cessation of military operations in Lebanon, with the signatories pledging to protect Lebanon’s sovereignty and the full integrity of its territorial lands.

Despite the importance of this clause, which Tehran considered a diplomatic victory, it was met with outright rejection by Israel. Prime Minister Benjamin Netanyahu strongly opposed these conditions, affirming the continuation of his military campaign until its objectives are achieved, especially since Tel Aviv was not represented in these negotiations.

In an effort to salvage the situation, Israel’s ambassador to Washington declared his country’s commitment to halting offensive operations to preserve the fragile path of de-escalation.

However, the ambassador clarified that Israeli forces would continue ground operations in the south to dismantle Hezbollah’s infrastructure, emphasizing their intention to remain until the mission is fully accomplished.

Beyond political statements, the US-Iran agreement lacks clear mechanisms to compel parties not involved in signing to adhere to its proposed terms.

Neither Hezbollah nor Israel signed the memorandum, leaving critical questions about Israeli withdrawal and the fate of Hezbollah’s weapons unresolved without definitive answers.

Due to these gaps, US President Donald Trump’s concerns have grown over the negative impact of ongoing Israeli attacks on the agreement’s chances of success. Trump recently expressed frustration with Netanyahu’s policies and pressured the Israeli government to reduce the scale and pace of its military operations in the region.

On the ground, the political atmosphere was reflected in Israel temporarily halting daily evacuation warnings for southern Lebanese villages as negotiations progressed.

Nevertheless, this temporary calm quickly dissipated following fierce clashes and ambushes set by Hezbollah against Israeli forces, resulting in the deaths of four Israeli soldiers.

In immediate response, Israeli warplanes conducted more than 150 airstrikes targeting various areas in the Bekaa Valley and southern Lebanon, causing dozens of civilian casualties and injuries, highlighting the difficulty of restraining field escalation despite international pressure on all parties.

Meanwhile, diplomats are seeking to open parallel negotiation channels; the US State Department announced an upcoming Israeli-Lebanese round of talks in Washington.

This announcement followed a phone consultation between US Secretary of State Marco Rubio and Lebanese President Joseph Aoun aimed at exploring a more stable resolution formula for the crisis.

Domestically, Tehran appears to have imposed more direct influence and supervision over Hezbollah’s structures following the assassination of its former Secretary-General Hassan Nasrallah. Observers believe this influence explains Hezbollah’s previous commitment to ceasefire before the recent direct confrontation erupted.

Ultimately, regional affairs experts believe current understandings may help reduce escalation temporarily but do not address the root causes of the problem.

Israel’s military presence in the south represents the largest occupation in two decades, causing massive destruction in border towns and displacing over one million Lebanese citizens.

Accordingly, the issue of Hezbollah’s weapons is entangled in a complex dilemma closely linked to Israel’s withdrawal from occupied territories. While Israel demands disarmament first, Hezbollah insists on retaining its arsenal as a legitimate deterrent, rendering political resolution prospects distant in the foreseeable future.