Iran Warns Israeli Strikes in Lebanon Could Undermine US Ceasefire Agreement

Iran warns Israeli attacks in Lebanon – Iran’s foreign ministry has issued a stark warning, stating that Israeli military actions against Hezbollah in Lebanon might jeopardize the country’s ongoing ceasefire with the United States. This statement came after Israeli Prime Minister Benjamin Netanyahu authorized strikes on the southern suburbs of Beirut, escalating tensions in the region. According to Iran’s Foreign Minister Abbas Araghchi, the agreement with Washington is “a comprehensive ceasefire across all fronts, including in Lebanon,” and any breach in one area would signal a breakdown of the entire accord.

Israeli Response and Trump’s Mediation

Netanyahu’s decision to target Hezbollah positions in Beirut was a direct retaliation for the group’s missile and drone attacks against Israeli territory. In a subsequent social media post, former US President Donald Trump claimed that diplomatic talks with Iran are progressing at a “rapid pace” and emphasized that he had engaged with both Netanyahu and Hezbollah representatives. “I had a very productive call with Prime Minister Bibi Netanyahu, of Israel, and there will be no troops advancing into Beirut. Any forces already en route have been recalled,” Trump asserted. He also reported a “positive exchange” with Hezbollah, stating, “They agreed that all hostilities will cease. Israel will not strike them, and they will not strike Israel.”

“I had a very productive call with Prime Minister Bibi Netanyahu, of Israel, and there will be no troops advancing into Beirut. Any forces already en route have been recalled.”

“Likewise, through highly placed representatives, I had a very good call with Hezbollah, and they agreed that all shooting will stop—That Israel will not attack them, and they will not attack Israel.”

Despite these claims, neither Israel nor Hezbollah has issued an immediate response. Meanwhile, Iran’s state-aligned Tasnim news agency reported that Tehran might halt indirect talks with the US, citing the Israeli strikes as a catalyst. The agency also hinted at mobilizing other strategic regions, such as the Bab al-Mandab Strait, which serves as a critical maritime passage near the Red Sea. However, Iranian officials have remained silent on the report, with state television suggesting the US-Iran ceasefire could unravel if Israel persists with its campaign in Lebanon.

Strategic Implications of the Ceasefire

The current US-Iran ceasefire, established on 8 April, has not prevented continued hostilities. The US has sought to distinguish events in Lebanon from negotiations with Iran, which has long supported Hezbollah with ideological, military, and financial resources. The US insists that any peace deal must include stability in Lebanon, but Israel’s recent strikes have complicated this goal. On Sunday, a US official revealed that Secretary of State Marco Rubio had presented a plan for “gradual de-escalation” to Netanyahu and Lebanese President Joseph Aoun, aiming to reduce clashes while maintaining diplomatic momentum.

Since the Israel-Lebanon ceasefire took effect on 16 April, the Israeli military has conducted two strikes on Beirut. The latest attack occurred on Thursday, targeting Hezbollah infrastructure in the city. However, these strikes are less intense than previous operations, as the White House has been urging Israel to restrain its actions to avoid derailing broader peace efforts involving the US, Israel, and Iran. Analysts suggest that the US is prioritizing regional stability, even as the conflict in Lebanon continues.

Oil Market Reactions and Regional Escalations

Tensions between Iran and the US have also intensified in the Strait of Hormuz over the weekend. The US claimed it struck Iranian military installations, while Tehran retaliated by targeting a US base in Kuwait. This exchange has triggered a rise in global oil prices, with Brent crude—the benchmark for international oil prices—increasing nearly $5 (£3.7) per barrel to $97.44 (£72.45) on Monday. The market has been volatile since Israel and the US launched coordinated strikes against Iran on 28 February, as both potential peace agreements and further conflicts have shaken investor confidence.

The three-month-long conflict has effectively disrupted the Strait of Hormuz, a vital waterway through which approximately 20% of the world’s oil and liquefied natural gas (LNG) typically flows. The closure of this strait has contributed to a spike in energy costs, underscoring the geopolitical stakes of the war. As negotiations continue, the question remains: can the US and Iran reach a lasting accord, or will localized skirmishes in Lebanon and the Red Sea continue to test the fragile truce?

Trump has consistently signaled optimism about the possibility of a permanent agreement, claiming that talks are nearing a critical stage. However, the lack of a formal deal highlights the challenges in reconciling Iran’s regional ambitions with US diplomatic objectives. The involvement of Hezbollah, a key player in the conflict, adds another layer of complexity. While the US seeks to limit Iran’s influence in Lebanon, Hezbollah’s resistance has kept the war alive, forcing both sides to navigate competing priorities.

Iran’s warning serves as a reminder of the broader stakes at play. The country has positioned itself as a defender of Lebanon’s sovereignty, linking its ceasefire agreement with the US to the survival of Hezbollah’s operations. This connection suggests that any Israeli assault on the group could be seen as a direct challenge to Iran’s strategic interests. Meanwhile, the US remains focused on reducing hostilities while maintaining pressure on Iran to meet its conditions for a lasting peace.

As the situation evolves, the international community watches closely. The oil market’s fluctuations reflect the far-reaching economic consequences of the conflict, while the political landscape in the Middle East shifts with each new development. Whether the ceasefire will hold depends on the willingness of all parties to de-escalate, even as the battle for Lebanon and the Red Sea continues to shape the outcome.

Additional reporting by Michael Race