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Iran warns US it would retaliate against Israeli strikes on Lebanon

Tehran has cautioned Washington that it would mount a forceful response should Israel launch military operations against a southern Lebanese ridge where Iranian military advisers are stationed alongside Hezbollah forces, according to officials familiar with the communication.

LSN Singapore · 3 September 2026

Iran warns US it would retaliate against Israeli strikes on Lebanon

Iran has delivered a warning to the United States regarding potential Israeli military action in southern Lebanon, signalling it would respond robustly to any offensive targeting a mountainous position where Iranian personnel are deployed with Hezbollah combatants. The message was conveyed through diplomatic channels, with three officials briefed on the communication confirming the substance of Tehran's position to international news agencies.

The warning underscores escalating tensions in the region as Israeli military operations continue in Lebanese territory. Iran's statement reflects growing concern among Iranian military leadership about the security of its personnel embedded with Hezbollah units in the area, which serves as a strategic position in the broader conflict dynamics across the Middle East.

The caution comes amid heightened regional tensions and repeated cross-border exchanges between Israel and Hezbollah. Iran's explicit linkage of a potential response to Israeli action suggests Tehran views the deployment of its military advisers in southern Lebanon as a significant strategic interest that could trigger broader regional confrontation.

The development highlights the complex web of military relationships and foreign deployments in the region, with multiple state and non-state actors maintaining presence and operations across borders. The Iranian warning indicates that any escalation of Israeli strikes could potentially expand the conflict beyond current parameters.