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Defence & Security15 Oct 2026 · about 6 min

Iran warned Hezbollah to prepare for war as it expects US strikes soon, diplomats tell 'Post'

The brief

Iran reportedly told Hezbollah leaders in Lebanon to prepare for the possibility that the United States would resume war with Iran. The warning reflected Tehran’s estimate that an American attack was only a matter of time. It mattered because any conflict involving Iran could draw Hezbollah and Lebanon into a wider regional confrontation. Hezbollah reportedly summoned all full-time members who receive monthly salaries. Lebanese security and military sources said the summons was for preparation, not a final decision to enter war. The group was also reportedly rebuilding and rearming its capabilities during an extended ceasefire. The reported preparations show that Hezbollah is planning for escalation while stopping short of announcing a new war. The article links this planning to rising tensions, possible Israeli action, and Iran’s expectation of an American attack. Israel has warned that Hezbollah would face severe consequences if it attacked alongside Iran.

01

What warning did Iran give Hezbollah, and what immediate preparation did Hezbollah reportedly order?

Iran reportedly told Hezbollah leaders in Lebanon to prepare for the possibility that the United States would resume war with Iran. The warning reflected Tehran’s estimate that an American attack was only a matter of time. It mattered because any conflict involving Iran could draw Hezbollah and Lebanon into a wider regional confrontation.

Hezbollah reportedly summoned all full-time members who receive monthly salaries. Lebanese security and military sources said the summons was for preparation, not a final decision to enter war. The group was also reportedly rebuilding and rearming its capabilities during an extended ceasefire.

The reported preparations show that Hezbollah is planning for escalation while stopping short of announcing a new war. The article links this planning to rising tensions, possible Israeli action, and Iran’s expectation of an American attack. Israel has warned that Hezbollah would face severe consequences if it attacked alongside Iran.

02

What is Hezbollah, and how is it connected to Iran and Lebanon?

Hezbollah is a Lebanese political and armed movement. Established background identifies it as a Shiite organization with political activity, military forces, and strong support from Iran. The article describes it as a Lebanese group with leaders, members, military capabilities, and activities in southern Lebanon and Beirut.

Iran’s connection is shown through direct strategic messaging. Iranian officials reportedly told Hezbollah to prepare for a possible American attack on Iran. The article also says Hezbollah adopted elements of Iran’s “mosaic defense” doctrine and was preparing to rearm and rebuild its capabilities.

Lebanon is the group’s operating environment and could become a battlefield if fighting expands. The Lebanese Armed Forces reportedly seized explosives linked to Hezbollah, while Lebanese political figures demanded investigation and legal action. The article therefore presents Hezbollah as tied to Iran but active inside Lebanon, creating risks for Lebanese territory and institutions.

03

How large was the shipment of explosives reportedly seized by the Lebanese Armed Forces?

The reported shipment contained hundreds of kilograms of explosives. That is the largest quantity specified in the article, making the seizure a significant indicator of possible military rebuilding. The materials were reportedly linked to Hezbollah rather than being described as an ordinary civilian shipment.

The Lebanese Armed Forces intercepted the truck at a checkpoint in the Bekaa Valley. According to the article, it was carrying explosives from the Bekaa Valley to Beirut. The shipment included TNT and C4, two specific materials identified in the report. The account does not provide an exact weight.

The seizure intensified calls for investigation inside Lebanon. Ziad Hawat demanded that authorities determine the shipment’s origin, destination, and purpose. He said that if Hezbollah’s involvement with the state were proven, legal measures should follow. The event also supported reports that Hezbollah was rearming during the ceasefire.

04

What is Iran’s “mosaic defense” doctrine, and why might Hezbollah use a more decentralized military structure?

Iran’s “mosaic defense” doctrine is a decentralized military model. The article describes it as distributing military responsibilities and reducing reliance on a central command hierarchy. This matters because command structures can shape how an armed group survives and operates during a large-scale conflict.

The reported change is strategic rather than a specific weapon or operation. Sources said Hezbollah had adopted elements of Iran’s approach. Under such a structure, responsibilities are spread across different parts of the organization instead of being concentrated entirely in one command center. The article does not detail the exact units or procedures involved.

Hezbollah may see decentralization as useful if communications are disrupted or central leaders are targeted. That possible benefit is an inference from the doctrine’s design, not a stated Hezbollah explanation. The article presents the change alongside reports of rebuilding, rearming, and preparing for a possible escalation with Israel and Iran’s adversaries.

05

What could happen to Lebanon and southern Lebanese territory if Hezbollah joins an Iranian attack on Israel?

If Hezbollah joins an Iranian attack on Israel, the article says Lebanon could face a wider war. Israel’s Defense Minister Israel Katz threatened that Hezbollah would suffer a heavy blow and lose additional territory in southern Lebanon. The warning raises the possibility that Lebanese land would become part of a permanent Israeli security zone.

Katz specifically named areas around Nabatiya and the Litani River. He made the threat during a visit to the Israel Defense Forces’ buffer zone. He also said the IDF was prepared to launch a new, expanded invasion. These statements followed reports that Hezbollah was preparing for escalation and rebuilding capabilities.

The immediate consequence could be expanded fighting across southern Lebanon. The article does not establish that an invasion has begun or that territory has been seized. It presents the threat as conditional: Hezbollah would face the response if it attacked Israel in coordination with Iran.

06

Which actors are involved in this confrontation, and what roles do Iran, Hezbollah, Israel, the United States, and Lebanon play?

The confrontation involves Iran, Hezbollah, Israel, the United States, and Lebanon. Iran reportedly warned Hezbollah about a possible American attack. Hezbollah is preparing inside Lebanon and could join a conflict involving Iran. Israel is monitoring the threat and warning of military action against Hezbollah and Lebanese territory.

The United States appears in the article mainly as the possible attacker Iran fears. Hezbollah is the Iran-linked armed group expected to prepare for escalation. Israel’s military and defense minister are preparing for a possible response. Lebanon’s armed forces are trying to enforce state authority, including by seizing an explosives shipment in the Bekaa Valley.

Lebanon is therefore both the location of Hezbollah’s activity and a potential battlefield. The article says a large-scale war would reach Lebanon. Its reported next steps are preparation, investigation, rebuilding, and threats, rather than a confirmed new war. The situation remains conditional on further escalation.

07

Why do states support armed groups such as Hezbollah instead of relying only on their own conventional military forces?

States sometimes support armed groups because those groups can provide influence, local reach, and military pressure beyond what conventional forces can achieve directly. This is a general explanation from established political and military analysis, not a purpose explicitly stated in the article. Such partnerships can also create strategic options while preserving some distance from the state.

The article shows Iran communicating directly with Hezbollah and sharing a defense doctrine. Hezbollah operates in Lebanon and is preparing its own capabilities. This arrangement gives Iran a partner positioned near Israel, while Hezbollah maintains an organization with its own members, command structure, and local presence.

The arrangement also carries major risks. Armed groups may trigger retaliation that affects the sponsoring state’s partner or host country. Here, Israel warns that Hezbollah joining an Iranian attack could bring severe strikes and territorial loss in southern Lebanon. Lebanon’s institutions are already dealing with alleged Hezbollah-linked explosives.

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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