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Defence & Security14 Oct 2026 · about 7 min

How Israel’s ‘Yellow Line’ is reshaping southern Lebanon

The brief

The Yellow Line is a military boundary in southern Lebanon. Israel uses the term for the area it controls, while also using it for areas under its control in Gaza. In Lebanon, the line marks the end of an occupation zone stretching inland from the border. It matters because it has become both a military limit and a barrier to civilian return. Israeli forces occupy territory up to 10 kilometres deep into Lebanon. Behind the line, they continue demolishing homes, even as residents remain uncertain about returning. Around 50 frontline villages, including Khiam and Bint Jbeil, have been destroyed or severely affected. Researchers describe the line as a “hard boundary” for troops and controlled demolitions. The line does not represent a settled withdrawal. A June framework agreement aimed to secure Israel’s phased departure, but Israel still occupies large areas. Lebanese residents have returned north of the line in some devastated villages, while the territory behind it remains under Israeli military control.

01

What is the “Yellow Line,” and what does it mark in southern Lebanon?

The Yellow Line is a military boundary in southern Lebanon. Israel uses the term for the area it controls, while also using it for areas under its control in Gaza. In Lebanon, the line marks the end of an occupation zone stretching inland from the border. It matters because it has become both a military limit and a barrier to civilian return.

Israeli forces occupy territory up to 10 kilometres deep into Lebanon. Behind the line, they continue demolishing homes, even as residents remain uncertain about returning. Around 50 frontline villages, including Khiam and Bint Jbeil, have been destroyed or severely affected. Researchers describe the line as a “hard boundary” for troops and controlled demolitions.

The line does not represent a settled withdrawal. A June framework agreement aimed to secure Israel’s phased departure, but Israel still occupies large areas. Lebanese residents have returned north of the line in some devastated villages, while the territory behind it remains under Israeli military control.

02

How large is the Israeli-controlled zone, and how many villages have been affected or destroyed?

Israel currently controls a zone extending up to 10 kilometres, or 6.2 miles, into southern Lebanon. That depth gives the occupation a substantial reach beyond the border. The area is not only a military position. It also determines where residents can safely return, rebuild homes, and restore local infrastructure.

Around 50 frontline villages have been destroyed. Khiam and Bint Jbeil are among the named examples. The article reports that homes and infrastructure were systematically demolished in dozens of villages. Most of the destruction of the towns occurred since April, despite several announcements of ceasefires. Froun was destroyed by air and drone strikes, although Israeli troops did not enter it.

The scale of destruction has left southern Lebanon divided by military access. Residents north of the Yellow Line have returned to some devastated villages, including places involved in the pilot-zone programme. Those behind the line face continued Israeli troop presence and demolitions, making return difficult or impossible.

03

Why have Israel and Lebanon agreed to create “pilot zones,” and what are Lebanese forces supposed to do there?

The pilot zones were created as part of a framework agreement signed by Lebanon and Israel in June. The agreement’s objective is to secure Israel’s phased withdrawal from southern Lebanon. These zones offer a practical way to begin that process in selected areas, rather than resolving the entire military dispute at once.

Under the arrangement, Israel would withdraw from a pilot zone. The Lebanese Armed Forces would then replace Israeli troops there. They would also disarm any Hezbollah forces operating in that area. Froun was unexpectedly included in the programme, even though Israeli air and drone strikes had destroyed it without Israeli troops entering the town.

The plan has not ended the occupation or uncertainty. Israel continues to occupy large parts of southern Lebanon, and Israel’s defence minister has suggested troops will not withdraw. Residents have returned to some areas north of the Yellow Line, but the agreement’s wider implementation remains stalled.

04

What has happened to residents of southern villages, and why are many unable to return home?

Residents of southern Lebanon have been driven from their homes on a huge scale. Israeli attacks and the reinvasion of southern Lebanon displaced more than 1.2 million people. Ali, from Khiam, is among those living elsewhere, renting a house in Hasbaiyya about half an hour away. His experience reflects the wider uncertainty facing displaced southerners.

Many cannot return because homes and infrastructure have been destroyed. Around 50 frontline villages, including Khiam and Bint Jbeil, have been demolished or made uninhabitable. The article says most town destruction happened since April, despite ceasefire announcements. Israeli troops also remain in a zone up to 10 kilometres deep, while controlled demolitions continue behind the Yellow Line.

Some residents have returned to devastated villages north of the line. Froun is one example, although Israeli strikes destroyed it. Return remains different from recovery: residents may come back, but damaged homes and infrastructure make normal life difficult. The continuing occupation leaves many unsure whether rebuilding is possible.

05

What roles do Israel, the Lebanese Armed Forces, Hezbollah, and the Lebanese government play in the dispute?

Israel controls a zone up to 10 kilometres inside southern Lebanon and continues demolishing homes and infrastructure. Its defence minister, Israel Katz, has suggested Israeli troops will not withdraw. Israel has also responded militarily to Hezbollah’s attacks, while its forces remain in parts of the south despite the framework agreement.

Hezbollah fired rockets at Israel on March 2, saying it was responding to ceasefire violations and an assassination. The group opposed direct negotiations, but Lebanon’s government continued them. Those talks produced the June framework agreement. It proposed pilot zones where Israeli forces would withdraw and Lebanese forces would take over.

The Lebanese Armed Forces are supposed to replace Israeli troops and disarm Hezbollah fighters in each pilot zone. Hezbollah, an Iran-backed Lebanese Shia group, has fought Israel since October 2023 and traces its origins to resistance against earlier Israeli occupation. The arrangement has not resolved the dispute, because Israel still occupies territory and demolitions continue.

06

How does the current Yellow Line relate to the Blue Line created after Israel’s 2000 withdrawal from southern Lebanon?

The Blue Line was established in 2000 after Israel ended its years-long occupation of southern Lebanon. Israeli forces withdrew behind it. It therefore became associated with the boundary left after that withdrawal and with the end of an earlier period of Israeli control.

The Yellow Line refers to the current occupation zone, which stretches up to 10 kilometres into southern Lebanon. Israel says the line marks areas it controls. Behind it, Israeli troops remain and continue detonating homes. Around 50 frontline villages have been destroyed, including Khiam and Bint Jbeil. The article describes the Yellow Line as a hard boundary for troops and demolitions.

The two lines show different stages of the conflict. The Blue Line followed a withdrawal, while the Yellow Line is linked to an ongoing occupation and stalled withdrawal. The article also reports Israeli discussions about a possible Grey Line extending 4 kilometres into Lebanese territory, adding another proposed military demarcation.

07

What does military occupation mean, and why can creating a buffer zone or preventing civilians from rebuilding change who effectively controls territory?

Military occupation generally means foreign armed forces exercise effective authority over territory they do not legally belong to. That authority can operate through troops, restricted access, security rules, and control over daily movement. The article describes Israel occupying parts of southern Lebanon, with troops positioned up to 10 kilometres inside the country.

A buffer zone can shift practical control away from the state that formally claims the territory. If soldiers decide who can enter, and demolitions remove homes and infrastructure, civilians cannot freely use the land. Preventing rebuilding has a similar effect. People may technically retain claims to their villages, but they cannot live there, restore services, or organize normal local government.

That is why the Yellow Line matters beyond its location. The article calls it a “hard boundary” for troop presence and controlled demolitions. Residents north of it have returned to some devastated villages, while those behind it remain uncertain about returning. Continued control can therefore preserve an occupation even while negotiations discuss withdrawal.

This brief was written by AI from the original reporting and checked by other models. Names, figures and quotes come from the source; read it for full context.

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