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IDF kills 18 in Lebanon as talks end

2 min read

11:02UTC

Israeli strikes in southern Lebanon continued through the Islamabad talks, with 13 dead in Tefayta alone.

← Back to Ceasefire redistributes the war, not ends it Jump to analysis ↓

ConflictDeveloping

Key takeaway

Lebanon carries the human cost of a ceasefire that does not cover it.

As the Islamabad talks concluded on 12 April, IDF (Israel Defense Forces) strikes killed 18 people in southern Lebanon, 13 of them in the village of Tefayta. The strikes continued a pattern that began on ceasefire day itself: on 7 April, hours after the Iran ceasefire was announced, Israel struck more than 100 targets across Lebanon, killing at least 303 people and wounding over 1,150.

Benjamin Netanyahu declared the ceasefire "does not bind Israel in Lebanon." Trump supported that position. The 98th Division deployed into southern Lebanon during the ceasefire window, joining four divisions already operating there: the 36th, 91st, 146th, and 162nd . Five IDF divisions are now active in a country that is not formally part of any ceasefire agreement.

Iran formally accused the US of ceasefire violations and warned that its allies are "an inseparable part" of the ceasefire, with violations carrying "explicit costs and strong responses." Hezbollah had fired a missile at Tel Aviv days earlier, triggering air-raid sirens across three Israeli cities; it was intercepted . Iran listed Lebanon as a precondition at Islamabad. It was not resolved.

Lebanon has no seat at the negotiations, no ceasefire of its own, and no voice in the terms. It is the active front in a war whose ceasefire explicitly excludes it. Beirut bears the cost of strikes that Iran cites as violations. For Lebanese civilians, the ceasefire is something that happened to other people.

Deep Analysis

In plain English

The ceasefire announced on 7 April was between the US and Iran. It said nothing about Lebanon, where Israeli forces have been fighting Hezbollah, an Iranian-backed armed group, for months. While US and Iranian diplomats were talking in Islamabad, Israeli strikes killed 18 people in southern Lebanon. Iran had told the talks: Lebanon must be part of any deal. The US and Israel said Lebanon is a separate issue. This matters because Hezbollah is Iran's most important regional partner. For Iran to accept a deal that leaves Lebanon out would be politically very difficult at home, it would look like Iran abandoned an ally. So what happens in Lebanon has a direct effect on whether a nuclear or Hormuz deal is possible.

Deep Analysis

Root Causes

Netanyahu's declaration that the ceasefire 'does not bind Israel in Lebanon' reflects the Israeli government's longstanding position that Lebanese operations are separate from any US-Iran framework. The US accepted this carve-out when it agreed the ceasefire terms, which means the ceasefire was structurally incomplete from day one.

The five IDF divisions currently in southern Lebanon represent a force posture that has no parallel since the 2006 war; the 98th Division's deployment alongside the 36th, 91st, 146th, and 162nd represents the largest Israeli ground commitment in Lebanon in two decades. This is not an incidental border operation, it is a sustained campaign.

What could happen next?

Risk
Iran's formal ceasefire violation accusation over Lebanon operations provides Tehran with a legally-framed pretext to abrogate the ceasefire at any point before 22 April, particularly if IDF operations intensify or a high-profile Hezbollah target is struck.
Consequence
Lebanon has no seat at the Islamabad talks and no ceasefire of its own; even a complete Iran-US nuclear deal would leave the Lebanese conflict unresolved and Hezbollah under active IDF pressure, creating a persistent flashpoint.

Source Landscape

This story draws on centre-left-leaning sources from Qatar

Qatar×2

Primary parallel: The 2006 Lebanon-Israel war ended with UN Security Council Resolution 1701, which established a ceasefire based on Hezbollah disarmament commitments that were never fulfilled. The current Lebanese front reflects the same structural failure: Israel accepts ceasefires with Hezbollah as temporary pauses rather than permanent settlements.

Counter-parallel: The 1993 Oslo Accords separated the Palestinian track from the Lebanese track, allowing progress on one without resolving the other. The US is attempting the same disaggregation, handling Iran bilaterally while treating Lebanon as a separate Israeli security matter. Iran is explicitly rejecting that disaggregation.

Consensus view: Al Jazeera's analysis and the Carnegie Endowment's assessment both identify Lebanon as the wildcard most likely to collapse the Iran ceasefire entirely: Iran cannot publicly accept a deal that leaves its primary proxy under active military attack, and Israel has no operational incentive to pause Lebanon operations while Iranian nuclear talks are ongoing.

Counter-view: The IDF's continued operations may reflect a deliberate Israeli strategy to maintain pressure during the ceasefire window specifically, calculating that Iran will not abrogate the ceasefire over Lebanon if the nuclear and Hormuz stakes are high enough.

Key tension: Iran's formal accusation that the US is violating the ceasefire by permitting Israeli Lebanon operations creates a legal pretext for Tehran to abrogate the agreement at a time of its choosing, giving Tehran an off-ramp that does not require returning to war.

First Reported In

Update #66 · Islamabad collapses: 10 days to expiry

Al Jazeera· 12 Apr 2026

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Causes and effects

Caused by

Israel kills 254 in largest Lebanon operation

Israel's largest-ever Lebanon operation (ID:2120) established the military campaign that continued with IDF strikes killing 18 on 12 April.

Occurred 9 Apr 2026

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This Event

IDF kills 18 in Lebanon as talks end

Lebanon has no seat at the Serena Hotel, no ceasefire of its own, and no voice in the terms under which the parallel conflict continues.

Led to

IDF triple-tap kills paramedics in Mayfadoun

The IDF triple-tap strike on paramedics in Mayfadoun on 15 April escalates the IDF Lebanon operation that killed 18 in Tefayta on 12 April (ID:2241).

Occurred 15 Apr 2026

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Different Perspectives

Civilians and prisoners inside Iran

Mojtaba Kian was hanged in under 50 days from arrest, the fastest wartime espionage case in Hengaw's record, as Trump announced a peace deal. Amnesty places Iran's 2026 execution count above 200 at its fastest pace in 44 years; the diplomatic track has not altered the internal enforcement tempo.

China

Beijing accepted a Pakistani civilian briefing mission on the same day OFAC's GL V expired, keeping itself inside the deal architecture without being a named signatory. How Chinese banks respond to Monday's Hengli dollar-clearing decision is the first real-world test of whether the verbal MOU carries any institutional weight.

Pakistan

Islamabad split its highest-level delegation: army chief Munir to Tehran on the security track, Prime Minister Sharif and Foreign Minister Dar to Beijing before Monday's GL V-driven bank compliance decision. The architecture routes the deal's hardest problem, IRGC buy-in, through the general-officer channel that has extracted every wartime concession.

Israeli government

An unnamed Israeli official told the Times of Israel that Trump privately told Netanyahu the deal will dismantle Iran's nuclear programme and remove all its uranium, terms incompatible with what Tehran and a Reuters source describe. If Netanyahu believes he was promised full dismantlement and the deal delivers less, Israel holds a sabotage veto before any signature.

Iranian Foreign Ministry

Spokesman Esmail Baghaei told state agency IRNA that nuclear issues are 'not in the current negotiations text' and the sequencing is: end the war first, then negotiate nuclear over two months. Baghaei's formulation preserves Khamenei's 21 May uranium-stay directive while letting the civilian diplomacy track continue.

Donald Trump / White House

Trump declared the Iran deal 'largely negotiated' on 23 May via Truth Social and signed nothing; the White House's only paper was a Memorial Day proclamation. The verbal-track method converts maximum political signalling into minimum legal exposure: no congressional notification, no Senate treaty ratification, no instrument for Iran to formally reject.