Iran Warned US Over Lebanon Ridge, Sources Say

Iran Warned US Over Lebanon Ridge, Sources Say

The News

Iran has warned the United States it would respond forcefully to an Israeli offensive on a mountainous ridge in southern Lebanon — according to three officials briefed on the message who spoke to Reuters on condition of anonymity.

The claim is unconfirmed. Reuters correspondent Maya Gebeily reported it from Beirut on Thursday, Sept. 3; the Jerusalem Post and the Times of Israel followed with their own write-ups the same morning.

A White House official, asked by Reuters about the message and about whether Washington had pressed Israel not to attack, said: "this is not accurate." Iran's permanent mission in Geneva, the US Defense Department and Oman's foreign ministry gave no immediate comment. The Israeli military declined to comment.

The disputed ground is the Ali al-Taher ridge, where Israel says Hezbollah runs an underground command center — and where, per the same anonymous officials, Iranian Revolutionary Guard personnel are holed up alongside Hezbollah fighters.

What the sources actually say

Two of the three officials told Reuters the warning was delivered through Oman, which has acted as a mediator. Those two, briefed by Tehran, said more than a dozen members of the Islamic Revolutionary Guards Corps, including at least two senior officers, were on the ridge with Hezbollah.

The third source, described by Reuters as a foreign official with direct knowledge, said the message landed around mid-August and that US pressure led Israel to put off storming the ridge.

Reuters says it could not independently confirm the military situation at Ali al-Taher, which Israel has folded into a self-declared security zone held by its troops and closed to Lebanese.

Israel's own read is different. The Israeli newspaper Maariv, citing a military source, reported Thursday that the Israeli military assesses there are no IRGC forces at Ali al-Taher and that some Hezbollah fighters have died there without food and water.

Timeline

May 31, 2026

Israel's military says its troops seized the 900-year-old Beaufort Castle and a strategic ridge in southern Lebanon's Nabatieh Governorate, weeks after a ceasefire was announced.

Early June 2026

Iran fires missiles toward Israel in retaliation for attacks on Hezbollah on the outskirts of Beirut. A June US-Iran memorandum of understanding, which Hezbollah calls the Islamabad Agreement, includes a Lebanon ceasefire.

June 2026

An Israeli military official tells Reuters, anonymously, that Hezbollah fighters are stuck underground without food or water.

July 2026

Israel says it struck a Hezbollah fighter near an access shaft to the underground site at Ali al-Taher, and vows not to let the group operate there.

Mid-August 2026

The warning to Washington is delivered, according to the third official.

Week of Aug. 27–Sept. 2

Hezbollah launches explosive drones toward Israeli troops near the ridge twice, Israel's military says. The Times of Israel reported Sept. 2 that no soldiers were injured and that retaliatory Israeli strikes hit Nabatieh.

Sept. 3, 2026

Reuters publishes the account of Iran's warning.

Reactions

Hezbollah's media office neither confirmed nor denied that Iran sent the message, but told Reuters it was a "natural conclusion" that such a warning would have been sent.

"Iran considers any Israeli move on the ground in southern Lebanon, especially territorial expansion, a major violation of the Islamabad Agreement," the media office said.

It also described what it sees on the ground: "What we have seen over the past month is Israeli pressure to besiege Ali al-Taher in order to impose a reality within this facility that renders it uninhabitable. This approach, and the absence of a large-scale attack, means that it is possible a message was conveyed through several countries — this is a natural conclusion."

Hezbollah declined to say whether Iranian forces are on the ridge. In public statements the group says it controls the hill and will confront any Israeli advance; its officials have referred to a "facility" there without giving details.

Israel's military has publicly called the ridge one of its "primary operational focuses."

What's Next

A Lebanese source briefed by Hezbollah and a senior Lebanese security official both told Reuters an Israeli operation to capture the ridge is still possible in the coming weeks, despite Iran's reported warning.

Hezbollah says a large-scale attack on Ali al-Taher would mean a return to full-blown war and could put missiles on northern Israeli communities.

Watch for on-the-record confirmation — or denial — from Washington, Tehran or Muscat. So far there is none.

More

A note on sourcing, because it matters here: everything about the warning itself rests on three unnamed officials speaking to one news agency. The only on-the-record response from a government is the White House official's flat "this is not accurate." The Frank is reporting the claim and who is making it — not endorsing it.

The regional war is in its seventh month, per Reuters.

Suggested reader poll: Should Washington say publicly whether it received a warning from Tehran?

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